<?xml version="1.0"?>

<!-- Copyright (c) 2019 Jonathan Redpath (legoboyvdlp), Joshua Davidson (Octal450) -->

<system name="A320: Electrical">	
	
	<property value="0">/systems/electrical/some-electric-thingie/rat-deploy</property>
	<property value="0">/systems/electrical/relay/gen-1-glc/contact-pos</property>
	<property value="0">/systems/electrical/relay/gen-2-glc/contact-pos</property>
	
	<channel name="Main Electrical" execrate="8">
		
		<!-- Battery 1 -->
		<fcs_function name="/systems/electrical/sources/bat-1/volt">
			<function>
				<product>
					<difference>
						<value>1</value>
						<product>
							<property>/systems/electrical/sources/bat-1/amps</property>
							<value>0.00016666</value>
						</product>
					</difference>
					<table>
						<independentVar lookup="row">/systems/electrical/sources/bat-1/percent</independentVar>
						<independentVar lookup="column">/systems/failures/electrical/bat-1</independentVar>
						<tableData>
								  0    1
							  0   0.0  0.0
							 10  24.0  4.0
							 50  25.5  5.0
							100  31.0  7.0
						</tableData>
					</table>
				</product>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/bat-1/contact">
			<default value="/systems/electrical/sources/bat-1/contact"/>
			<test logic="OR" value="0"> <!-- discharge protection or switch turned off -->
				/controls/electrical/switches/bat-1 eq 0
				/systems/electrical/sources/bat-1/volt lt 23
				/systems/electrical/sources/bat-1/amps ge 100
			</test>
			<test logic="AND" value="1">  <!-- apu start -->
				/controls/electrical/switches/bat-1 eq 1
				/systems/apu/start eq 1
			</test>
			<test logic="AND" value="1"> <!-- connect to dc-bat while no other power on the ground -->
				/controls/electrical/switches/bat-1 eq 1
				/systems/electrical/bus/ac-1 lt 110
				/systems/electrical/bus/ac-2 lt 110
				/gear/gear[1]/wow eq 1
				/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
			</test>
			<test logic="AND" value="1"> <!-- start charging cycle -->
				/systems/electrical/sources/bat-1/charge eq 1
			</test>
			<test logic="AND" value="1"> <!-- maintain charging cycle -->
				/systems/electrical/sources/bat-1/charge eq 1
				/controls/electrical/switches/bat-1 eq 1
				/systems/electrical/sources/bat-1/contact eq 1
				/systems/electrical/bus/dc-bat gt 27.5
				/systems/electrical/sources/bat-1/percent-calc lt 99.9
			</test>
			<test logic="AND" value="0">
				/systems/electrical/sources/bat-1/charge eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-1/charge">
			<default value="/systems/electrical/sources/bat-1/charge"/>
			<test logic="AND" value="0"> <!-- end charging cycle -->
				/systems/electrical/sources/bat-1/charge eq 1
					<test logic="OR">
					/controls/electrical/switches/bat-1 eq 0
					/systems/electrical/bus/dc-bat lt 27.5
					/systems/electrical/sources/bat-1/percent-calc ge 99.9
				</test>
			</test>
			<test logic="AND" value="1"> <!-- start charging cycle -->
				/controls/electrical/switches/bat-1 eq 1
				/systems/electrical/sources/bat-1/contact eq 0
				/systems/electrical/sources/bat-1/volt lt 26.5
				/systems/electrical/bus/dc-bat gt 27.5
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-1/direction">
			<default value="0"/>
			<test logic="AND" value="0">
				/systems/electrical/sources/bat-1/contact eq 0
				/systems/electrical/sources/si-1/inverter-active eq 0
			</test>
			<test logic="AND" value="1">
				/systems/electrical/sources/si-1/inverter-active eq 1
			</test>
			<test logic="AND" value="1"> <!-- drain -->
				/systems/electrical/sources/bat-1/contact eq 1
				<test logic="OR">
					<test logic="AND">
						/systems/electrical/bus/dc-bat-src ne 1
						/systems/electrical/bus/dc-bat-src ne 2
					</test>
					/systems/apu/start eq 1
				</test>
			</test>
			<test logic="AND" value="-1"> <!-- charge -->
				/systems/electrical/sources/bat-1/contact eq 1
				/systems/electrical/bus/dc-bat-src ne 3
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/sources/bat-1/percent-calc">
			<function>
				<ifthen>
					<eq>
						<property>/systems/electrical/sources/bat-1/direction</property>
						<value>0</value>
					</eq>
					<property>/systems/electrical/sources/bat-1/percent-calc</property>
					<ifthen>
						<eq>
							<property>/systems/electrical/sources/bat-1/direction</property>
							<value>-1</value>
						</eq>
						<sum>
							<property>/systems/electrical/sources/bat-1/percent</property>
							<product>
								<quotient>
									<value>2.25</value>
									<sum>
										<property>/systems/electrical/sources/bat-1/percent</property>
										<value>1</value>
									</sum>
								</quotient>
								<property>simulation/channel-dt</property>
							</product>
						</sum>
						<sum>
							<property>/systems/electrical/sources/bat-1/percent</property>
							<product>
								<quotient>
									<value>-0.75</value>
									<sum>
										<property>/systems/electrical/sources/bat-1/percent</property>
										<value>1</value>
									</sum>
								</quotient>
								<property>simulation/channel-dt</property>
							</product>
						</sum>
					</ifthen>
				</ifthen>
            </function>
            <output>/systems/electrical/sources/bat-1/percent</output>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/bat-1/load-kw">
			<default value="0"/>
			<test logic="AND" value="0.864">
				/systems/apu/start eq 1
				/systems/electrical/sources/bat-1/contact eq 1
			</test>
			<test logic="AND" value="1.15"> <!-- 60 amp * 0.8 * 24V = 1.15kw. Guess -->
				/systems/electrical/bus/dc-bat-src ne 1
				/systems/electrical/bus/dc-bat-src ne 2
				/systems/electrical/sources/bat-1/contact eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-1/amps">
			<default value="0"/>
			<test logic="AND" value="40">
				/systems/electrical/sources/bat-1/load-kw ne 0
				/systems/electrical/sources/bat-1/direction eq 1
			</test>
			<test logic="AND" value="2">
				/systems/electrical/sources/bat-1/contact eq 1
				/systems/electrical/sources/bat-1/direction eq -1
			</test>
		</switch>
		
		<!-- Battery 2 -->
		<fcs_function name="/systems/electrical/sources/bat-2/volt">
			<function>
				<product>
					<difference>
						<value>1</value>
						<product>
							<property>/systems/electrical/sources/bat-2/amps</property>
							<value>0.00016666</value>
						</product>
					</difference>
					<table>
						<independentVar lookup="row">/systems/electrical/sources/bat-2/percent</independentVar>
						<independentVar lookup="column">/systems/failures/electrical/bat-2</independentVar>
						<tableData>
								  0    1
							  0   0.0  0.0
							 10  24.0  4.0
							 50  25.5  5.0
							100  31.0  7.0
						</tableData>
					</table>
				</product>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/bat-2/contact">
			<default value="/systems/electrical/sources/bat-2/contact"/>
			<test logic="OR" value="0"> <!-- discharge protection or switch turned off -->
				/controls/electrical/switches/bat-2 eq 0
				/systems/electrical/sources/bat-2/volt lt 23
				/systems/electrical/sources/bat-2/amps ge 100
			</test>
			<test logic="AND" value="1">  <!-- apu start -->
				/controls/electrical/switches/bat-2 eq 1
				/systems/apu/start eq 1
			</test>
			<test logic="AND" value="1"> <!-- connect to dc-bat while no other power on the ground -->
				/controls/electrical/switches/bat-2 eq 1
				/systems/electrical/bus/ac-1 lt 110
				/systems/electrical/bus/ac-2 lt 110
				/gear/gear[1]/wow eq 1
				/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
			</test>
			<test logic="AND" value="1"> <!-- start charging cycle -->
				/systems/electrical/sources/bat-2/charge eq 1
			</test>
			<test logic="AND" value="1"> <!-- maintain charging cycle -->
				/systems/electrical/sources/bat-2/charge eq 1
				/controls/electrical/switches/bat-2 eq 1
				/systems/electrical/sources/bat-2/contact eq 1
				/systems/electrical/bus/dc-bat gt 27.5
				/systems/electrical/sources/bat-2/percent-calc lt 99.9
			</test>
			<test logic="AND" value="0">
				/systems/electrical/sources/bat-2/charge eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-2/charge">
			<default value="/systems/electrical/sources/bat-2/charge"/>
			<test logic="AND" value="0"> <!-- end charging cycle -->
				/systems/electrical/sources/bat-2/charge eq 1
				<test logic="OR">
					/controls/electrical/switches/bat-2 eq 0
					/systems/electrical/bus/dc-bat lt 27.5
					/systems/electrical/sources/bat-2/percent-calc ge 99.9
				</test>
			</test>
			<test logic="AND" value="1"> <!-- start charging cycle -->
				/controls/electrical/switches/bat-2 eq 1
				/systems/electrical/sources/bat-2/contact eq 0
				/systems/electrical/sources/bat-2/volt lt 26.5
				/systems/electrical/bus/dc-bat gt 27.5
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-2/direction">
			<default value="0"/>
			<test logic="AND" value="0">
				/systems/electrical/sources/bat-2/contact eq 0
				/systems/electrical/sources/si-1/inverter-active eq 0
			</test>
			<test logic="AND" value="1">
				/systems/electrical/sources/si-1/inverter-active eq 1
			</test>
			<test logic="AND" value="1"> <!-- drain -->
				/systems/electrical/sources/bat-2/contact eq 1
				<test logic="OR">
					<test logic="AND">
						/systems/electrical/bus/dc-bat-src ne 1
						/systems/electrical/bus/dc-bat-src ne 2
					</test>
					/systems/apu/start eq 1
				</test>
			</test>
			<test logic="AND" value="-1"> <!-- charge -->
				/systems/electrical/sources/bat-2/contact eq 1
				/systems/electrical/bus/dc-bat-src ne 3
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/sources/bat-2/percent-calc">
			<function>
				<ifthen>
					<eq>
						<property>/systems/electrical/sources/bat-2/direction</property>
						<value>0</value>
					</eq>
					<property>/systems/electrical/sources/bat-2/percent-calc</property>
					<ifthen>
						<eq>
							<property>/systems/electrical/sources/bat-2/direction</property>
							<value>-1</value>
						</eq>
						<sum>
							<property>/systems/electrical/sources/bat-2/percent</property>
							<product>
								<quotient>
									<value>2.25</value>
									<sum>
										<property>/systems/electrical/sources/bat-2/percent</property>
										<value>1</value>
									</sum>
								</quotient>
								<property>simulation/channel-dt</property>
							</product>
						</sum>
						<sum>
							<property>/systems/electrical/sources/bat-2/percent</property>
							<product>
								<quotient>
									<value>-0.75</value>
									<sum>
										<property>/systems/electrical/sources/bat-2/percent</property>
										<value>1</value>
									</sum>
								</quotient>
								<property>simulation/channel-dt</property>
							</product>
						</sum>
					</ifthen>
				</ifthen>
            </function>
            <output>/systems/electrical/sources/bat-2/percent</output>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/bat-2/load-kw">
			<default value="0"/>
			<test logic="AND" value="0.864">
				/systems/apu/start eq 1
				/systems/electrical/sources/bat-2/contact eq 1
			</test>
			<test logic="AND" value="1.15"> <!-- 60 amp * 0.8 * 24V = 1.15kw. Guess -->
				/systems/electrical/bus/dc-bat-src ne 1
				/systems/electrical/bus/dc-bat-src ne 2
				/systems/electrical/sources/bat-2/contact eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/bat-2/amps">
			<default value="0"/>
			<test logic="AND" value="40">
				/systems/electrical/sources/bat-2/load-kw ne 0
				/systems/electrical/sources/bat-2/direction eq 1
			</test>
			<test logic="AND" value="2">
				/systems/electrical/sources/bat-2/contact eq 1
				/systems/electrical/sources/bat-2/direction eq -1
			</test>
		</switch>
		
		<!-- IDG 1 -->
		<pure_gain name="/systems/electrical/sources/idg-1/drive-rpm-input">
			<input>/engines/engine[0]/n2-actual</input>
			<gain>90.298</gain> <!-- 1% N2 RPM value * 0.604 -->
		</pure_gain>
		
		<switch name="/systems/electrical/sources/idg-1/working">
			<default value="1"/>
			<test logic="OR" value="0">
				/systems/failures/electrical/idg-1 eq 1
				/controls/electrical/switches/idg-1-disc eq 0
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/idg-1/drive-rpm">
			<input>/systems/electrical/sources/idg-1/drive-rpm-input</input>
			<gain>/systems/electrical/sources/idg-1/working</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/idg-1/csd-gearbox-ratio-cmd">
			<function>
				<quotient>
					<value>12000</value>
					<property>/systems/electrical/sources/idg-1/drive-rpm</property>
				</quotient>
			</function>
			<clipto>
				<min>1.315</min>
				<max>2.667</max>
			</clipto>
		</fcs_function>
		
		<lag_filter name="/systems/electrical/sources/idg-1/csd-gearbox-ratio">
			<input>/systems/electrical/sources/idg-1/csd-gearbox-ratio-cmd</input>
			<c1>40</c1>
		</lag_filter>
		
		<pure_gain name="/systems/electrical/sources/idg-1/csd-rpm">
			<input>/systems/electrical/sources/idg-1/drive-rpm</input>
			<gain>/systems/electrical/sources/idg-1/csd-gearbox-ratio</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/idg-1/pmg-volt">
			<function>
				<product>
					<property>/systems/electrical/sources/idg-1/csd-rpm</property>
					<quotient>
						<value>115</value>
						<value>12000</value>
					</quotient>
				</product>
			</function>
		</fcs_function>
		
		<fcs_function name="/systems/electrical/sources/idg-1/pmg-hertz">
			<function>
				<quotient>
					<product>
						<property>/systems/electrical/sources/idg-1/csd-rpm</property>
						<value>4</value> <!-- Number of poles in generator -->
					</product>
					<value>120</value>
				</quotient>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/idg-1/gcr-relay">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/failures/electrical/gen-1 ne 1
				/controls/engines/engine[0]/fire-btn eq 0
				/systems/electrical/sources/idg-1/drive-rpm ge 4730
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/idg-1/output-volt">
			<input>/systems/electrical/sources/idg-1/pmg-volt</input>
			<gain>/systems/electrical/sources/idg-1/gcr-relay</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/sources/idg-1/output-hertz">
			<input>/systems/electrical/sources/idg-1/pmg-hertz</input>
			<gain>/systems/electrical/sources/idg-1/gcr-relay</gain>
		</pure_gain>
		
		<!-- IDG 2 -->
		<pure_gain name="/systems/electrical/sources/idg-2/drive-rpm-input">
			<input>/engines/engine[1]/n2-actual</input>
			<gain>90.298</gain> <!-- 1% N2 RPM value * 0.604 -->
		</pure_gain>
		
		<switch name="/systems/electrical/sources/idg-2/working">
			<default value="1"/>
			<test logic="OR" value="0">
				/systems/failures/electrical/idg-2 eq 1
				/controls/electrical/switches/idg-2-disc eq 0
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/idg-2/drive-rpm">
			<input>/systems/electrical/sources/idg-2/drive-rpm-input</input>
			<gain>/systems/electrical/sources/idg-2/working</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/idg-2/csd-gearbox-ratio-cmd">
			<function>
				<quotient>
					<value>12000</value>
					<property>/systems/electrical/sources/idg-2/drive-rpm</property>
				</quotient>
			</function>
			<clipto>
				<min>1.315</min>
				<max>2.667</max>
			</clipto>
		</fcs_function>
		
		<lag_filter name="/systems/electrical/sources/idg-2/csd-gearbox-ratio">
			<input>/systems/electrical/sources/idg-2/csd-gearbox-ratio-cmd</input>
			<c1>40</c1>
		</lag_filter>
		
		<pure_gain name="/systems/electrical/sources/idg-2/csd-rpm">
			<input>/systems/electrical/sources/idg-2/drive-rpm</input>
			<gain>/systems/electrical/sources/idg-2/csd-gearbox-ratio</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/idg-2/pmg-volt">
			<function>
				<product>
					<property>/systems/electrical/sources/idg-2/csd-rpm</property>
					<quotient>
						<value>115</value>
						<value>12000</value>
					</quotient>
				</product>
			</function>
		</fcs_function>
		
		<fcs_function name="/systems/electrical/sources/idg-2/pmg-hertz">
			<function>
				<quotient>
					<product>
						<property>/systems/electrical/sources/idg-2/csd-rpm</property>
						<value>4</value> <!-- Number of poles in generator -->
					</product>
					<value>120</value>
				</quotient>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/idg-2/gcr-relay">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/failures/electrical/gen-2 ne 1
				/controls/engines/engine[1]/fire-btn eq 0
				/systems/electrical/sources/idg-2/drive-rpm ge 4730
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/idg-2/output-volt">
			<input>/systems/electrical/sources/idg-2/pmg-volt</input>
			<gain>/systems/electrical/sources/idg-2/gcr-relay</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/sources/idg-2/output-hertz">
			<input>/systems/electrical/sources/idg-2/pmg-hertz</input>
			<gain>/systems/electrical/sources/idg-2/gcr-relay</gain>
		</pure_gain>
		
		<!-- APU gen -->
		<pure_gain name="/systems/electrical/sources/apu/drive-rpm">
			<input>/engines/engine[2]/n1</input>
			<gain>240.34</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/apu/pmg-volt">
			<function>
				<product>
					<property>/systems/electrical/sources/apu/drive-rpm</property>
					<quotient>
						<value>115</value>
						<value>24000</value>
					</quotient>
				</product>
			</function>
		</fcs_function>
		
		<fcs_function name="/systems/electrical/sources/apu/pmg-hertz">
			<function>
				<quotient>
					<product>
						<property>/systems/electrical/sources/apu/drive-rpm</property>
						<value>2</value> <!-- Number of poles in generator -->
					</product>
					<value>120</value>
				</quotient>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/apu/gcr-relay">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/apu/fire-btn ne 1
				/controls/electrical/switches/apu eq 1
				/systems/failures/electrical/apu ne 1
				/systems/electrical/sources/apu/drive-rpm ge 22800
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/apu/output-volt">
			<input>/systems/electrical/sources/apu/pmg-volt</input>
			<gain>/systems/electrical/sources/apu/gcr-relay</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/sources/apu/output-hertz">
			<input>/systems/electrical/sources/apu/pmg-hertz</input>
			<gain>/systems/electrical/sources/apu/gcr-relay</gain>
		</pure_gain>
		
		<!-- External Power -->
		<fcs_function name="/systems/electrical/sources/ext/output-volt">
			<function>
				<ifthen>
					<eq>
						<property>/controls/electrical/ground-cart</property>
						<value>1</value>
					</eq>
					<value>115</value>
					<value>0</value>
				</ifthen>
			</function>
		</fcs_function>
		
		<fcs_function name="/systems/electrical/sources/ext/output-hertz">
			<function>
				<ifthen>
					<ge>
						<property>/systems/electrical/sources/ext/output-volt</property>
						<value>110</value>
					</ge>
					<value>400</value>
					<value>0</value>
				</ifthen>
			</function>
		</fcs_function>
		
		<!-- Static Inverter -->
		<switch name="/systems/electrical/sources/si-1/inverter-active">
			<default value="0"/>
			<test value="0">
				/systems/failures/electrical/stat-inv eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-gen-operate eq 1
				/systems/electrical/sources/emer-gen/coupled ne 1
			</test>
			<test logic="AND" value="1">
				/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
				/instrumentation/airspeed-indicator/indicated-speed-kt ge 50
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/sim/time/elapsed-sec gt 10
			</test>
			<test logic="AND" value="1">
				/instrumentation/airspeed-indicator/indicated-speed-kt lt 50
				/controls/electrical/switches/bat-1 eq 1
				/controls/electrical/switches/bat-2 eq 1
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/sim/time/elapsed-sec gt 10
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/sources/si-1/inverter-gain">
			<function>
				<ifthen>
					<eq>
						<property>/systems/electrical/sources/si-1/inverter-active</property>
						<value>1</value>
					</eq>
					<quotient>
						<value>115</value>
						<property>/systems/electrical/sources/bat-1/volt</property>
					</quotient>
					<value>0</value>
				</ifthen>
			</function>
		</fcs_function>
		
		<pure_gain name="/systems/electrical/sources/si-1/output-volt">
			<input>/systems/electrical/sources/bat-1/volt</input> <!-- inverter feeds directly from batteries -->
			<gain>/systems/electrical/sources/si-1/inverter-gain</gain>
		</pure_gain>
		
		<switch name="/systems/electrical/sources/si-1/fault">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/sources/bat-1/volt lt 23.5
				/systems/electrical/sources/si-1/output-volt lt 110
				/systems/electrical/sources/si-1/output-volt ge 120
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/si-1/output-hertz">
			<default value="0"/>
			<test logic="AND" value="400">
				/systems/electrical/sources/si-1/output-volt ge 110
			</test>
		</switch>
		
		<!-- Emergency Generator -->
		<switch name="/systems/electrical/some-electric-thingie/rat-deploy">
			<default value="/systems/electrical/some-electric-thingie/rat-deploy"/>
			<test logic="AND" value="1">
				/instrumentation/airspeed-indicator/indicated-speed-kt gt 100
				/sim/time/elapsed-sec gt 30
				/systems/electrical/bus/ac-1 eq 0
				/systems/electrical/bus/ac-2 eq 0
				/controls/electrical/switches/emer-elec-man-on eq 0
			</test>
			<test logic="OR" value="1">
				/controls/hydraulic/switches/rat-man eq 1
				/controls/electrical/switches/emer-elec-man-on eq 1 
			</test>
			<!--<test value="0">
				/controls/hydraulic/switches/ground-rat-retraction eq 1
			</test>-->
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/emer-gen-operate">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/electrical/switches/emer-gen-test eq 1
				/systems/electrical/bus/ac-1 ne 0
				/systems/electrical/bus/ac-2 ne 0
			</test>
			<test logic="AND" value="1">
				/instrumentation/airspeed-indicator/indicated-speed-kt ge 100
				/systems/electrical/bus/ac-1 eq 0
				/systems/electrical/bus/ac-2 eq 0
				gear/unit[0]/WOW eq 0
				/controls/electrical/switches/emer-elec-man-on eq 0
			</test>
			<test logic="AND" value="1">
				gear/unit[0]/WOW eq 0
				/controls/electrical/switches/emer-elec-man-on eq 1 
			</test>
		</switch>
		<switch name="/systems/electrical/some-electric-thingie/emer-gen-operating-on-rat">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-gen-operate eq 1
				/systems/hydraulic/sources/rat/position eq 1
			</test>
			<test logic="AND" value="1">
				/controls/electrical/switches/emer-gen-test eq 1
				/systems/electrical/bus/ac-1 ne 0
				/systems/electrical/bus/ac-2 ne 0
			</test>
		</switch>
		
		<kinematic name="/systems/electrical/sources/emer-gen/coupled-kin">
			<input>/systems/electrical/some-electric-thingie/emer-gen-operating-on-rat</input>
			<traverse>
				<setting>
					<position>0.0</position>
					<time>0.0</time>
				</setting>
				<setting>
					<position>1.0</position>
					<time>5.5</time>
				</setting>
			</traverse>
		</kinematic>
		
		<switch name="/systems/electrical/sources/emer-gen/coupled">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/sources/emer-gen/coupled-kin eq 1
				/systems/failures/electrical/emer-gen ne 1
			</test>
			<test logic="AND" value="1">
				/controls/electrical/switches/emer-gen-test eq 1
				/systems/failures/electrical/emer-gen ne 1
				/systems/electrical/bus/ac-1 ne 0
				/systems/electrical/bus/ac-2 ne 0
			</test>
		</switch>
		
		<!-- Regulated to 115V, no point doing fancy, HYD controls it -->
		<switch name="/systems/electrical/sources/emer-gen/output-volt">
			<default value="0"/>
			<test logic="AND" value="115">
				/systems/electrical/some-electric-thingie/emer-gen-operate eq 1
				/systems/electrical/sources/emer-gen/coupled eq 1
				/systems/hydraulic/blue-psi ge 2500
				/systems/failures/electrical/emer-gen eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/emer-gen/output-hertz">
			<default value="0"/>
			<test logic="AND" value="400">
				/systems/electrical/sources/emer-gen/output-volt ge 110
			</test>
		</switch>
		
		<!-- Source Relays -->
		<switch name="/systems/electrical/sources/idg-1/gcu-1-powered">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/bus/dc-bat ge 25
				/systems/electrical/sources/idg-1/pmg-volt ge 110
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-1/gcu-1-voltage-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/idg-1/gcu-1-voltage-trip eq 1
				/controls/electrical/switches/gen-1 eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-1-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-1/output-volt lt 110
					/systems/electrical/sources/idg-1/output-volt gt 130
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-1/gcu-1-frequency-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/idg-1/gcu-1-frequency-trip eq 1
				/controls/electrical/switches/gen-1 eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-1-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-1/output-hertz lt 363
					/systems/electrical/sources/idg-1/output-hertz gt 433
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-1/gcu-1-fault">
			<default value="0"/>
			<test logic="OR" value="0">
				/systems/acconfig/autoconfig-running eq 1
				/sim/time/elapsed-sec lt 10
			</test>
			<test logic="OR" value="1">
				/systems/electrical/sources/idg-1/gcu-1-voltage-trip eq 1
				/systems/electrical/sources/idg-1/gcu-1-frequency-trip eq 1
				/systems/electrical/sources/idg-1/drive-rpm lt 4730
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/gen-1-glc/contact-pos">
			<default value="0"/>
			<test logic="OR" value="0">
				/sim/time/elapsed-sec lt 10
			</test>	
			<test logic="AND" value="1">
				/controls/electrical/switches/gen-1 eq 1
				/systems/electrical/sources/idg-1/output-hertz ge 363
				/systems/electrical/sources/idg-1/output-hertz le 433
				/systems/electrical/sources/idg-1/output-volt ge 110
				/systems/electrical/sources/idg-1/output-volt le 130
				/systems/electrical/sources/idg-1/gcu-1-fault ne 1 <!-- software trip -->
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/gen-1-glc/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/idg-1/output-volt">
				/systems/electrical/relay/gen-1-glc/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-2/gcu-2-powered">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/bus/dc-bat ge 25
				/systems/electrical/sources/idg-2/pmg-volt ge 110
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-2/gcu-2-voltage-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/idg-2/gcu-2-voltage-trip eq 1
				/controls/electrical/switches/gen-2 eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-2-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-2/output-volt lt 110
					/systems/electrical/sources/idg-2/output-volt gt 130
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-2/gcu-2-frequency-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/idg-2/gcu-2-frequency-trip eq 1
				/controls/electrical/switches/gen-2 eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-2-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-2/output-hertz lt 363
					/systems/electrical/sources/idg-2/output-hertz gt 433
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/idg-2/gcu-2-fault">
			<default value="0"/>
			<test logic="OR" value="0">
				/systems/acconfig/autoconfig-running eq 1
				/sim/time/elapsed-sec lt 10
			</test>
			<test logic="OR" value="1">
				/systems/electrical/sources/idg-2/gcu-2-voltage-trip eq 1
				/systems/electrical/sources/idg-2/gcu-2-frequency-trip eq 1
				/systems/electrical/sources/idg-2/drive-rpm lt 4730
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/gen-2-glc/contact-pos">
			<default value="0"/>
			<test logic="OR" value="0">
				/sim/time/elapsed-sec lt 10
			</test>	
			<test logic="AND" value="1">
				/controls/electrical/switches/gen-2 eq 1
				/systems/electrical/sources/idg-2/output-hertz ge 363
				/systems/electrical/sources/idg-2/output-hertz le 433
				/systems/electrical/sources/idg-2/output-volt ge 110
				/systems/electrical/sources/idg-2/output-volt le 130
				/systems/electrical/sources/idg-2/gcu-2-fault ne 1 <!-- software trip -->
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/gen-2-glc/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/idg-2/output-volt">
				/systems/electrical/relay/gen-2-glc/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ext-epc/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/sources/ext/output-volt ge 110
				/controls/electrical/switches/ext-pwr eq 1
				/controls/electrical/ground-cart eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ext-epc/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/ext/output-volt">
				/systems/electrical/relay/ext-epc/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/apu/gcu-powered">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/bus/dc-bat ge 25
				/systems/electrical/sources/apu/pmg-volt ge 101.5
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/apu/gcu-voltage-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/apu/gcu-voltage-trip eq 1
				/controls/electrical/switches/apu eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/apu-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/apu/output-volt lt 101.5
					/systems/electrical/sources/apu/output-volt gt 130
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/apu/gcu-frequency-trip">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/acconfig/autoconfig-running ne 1
				/systems/electrical/sources/apu/gcu-frequency-trip eq 1
				/controls/electrical/switches/apu eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/apu-glc/contact-pos eq 1
				<test logic="OR">
					/systems/electrical/sources/apu/output-hertz lt 361
					/systems/electrical/sources/apu/output-hertz gt 435
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/sources/apu/gcu-fault">
			<default value="0"/>
			<test logic="OR" value="0">
				/systems/acconfig/autoconfig-running eq 1
				/sim/time/elapsed-sec lt 10
			</test>
			<test logic="OR" value="1">
				/systems/electrical/sources/apu/gcu-voltage-trip eq 1
				/systems/electrical/sources/apu/gcu-frequency-trip eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/apu-glc/contact-pos">
			<default value="0"/>
			<test logic="OR" value="0">
				/sim/time/elapsed-sec lt 10
			</test>	
			<test logic="AND" value="1">
				/controls/apu/master eq 1
				/controls/electrical/switches/apu eq 1
				/systems/electrical/sources/apu/output-volt ge 101.5
				/systems/electrical/sources/apu/output-volt le 130
				/systems/electrical/sources/apu/output-hertz ge 361
				/systems/electrical/sources/apu/output-hertz le 435
				/systems/electrical/relay/ext-epc/contact-pos eq 0
				/systems/electrical/sources/apu/gcu-fault ne 1 <!-- software trip -->
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/apu-glc/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/apu/output-volt">
				/systems/electrical/relay/apu-glc/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/emer-glc/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/sources/emer-gen/output-volt ge 110
				/systems/failures/electrical/emer-gen ne 1
				/systems/electrical/relay/ac-ess-feed-1/output lt 110
				/systems/electrical/relay/ac-ess-feed-2/output lt 110
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/emer-glc/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/emer-gen/output-volt">
				/systems/electrical/relay/emer-glc/contact-pos eq 1
			</test>
		</switch>
		
		
		<!-- AC Bus Tie AC Bus Relays -->
		<!-- These outputs are from the AC Bus Tie to the AC Bus -->
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-1/contact-pos">
			<default value="0"/>
			<test value="0">
				/controls/electrical/switches/bus-tie eq 0
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-1-glc/contact-pos eq 1
				/systems/electrical/relay/gen-2-glc/contact-pos eq 0
				/systems/electrical/relay/apu-glc/contact-pos eq 0
				/systems/electrical/relay/ext-epc/contact-pos eq 0
				/controls/electrical/switches/bus-tie eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-1-glc/contact-pos eq 0
				/systems/electrical/bus/ac-bus-tie ge 110
				/controls/electrical/switches/bus-tie eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-1/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-bus-tie">
				/systems/electrical/relay/ac-bus-ac-bus-tie-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-2/contact-pos">
			<default value="0"/>
			<test value="0">
				/controls/electrical/switches/bus-tie eq 0
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-2-glc/contact-pos eq 1
				/systems/electrical/relay/gen-1-glc/contact-pos eq 0
				/systems/electrical/relay/apu-glc/contact-pos eq 0
				/systems/electrical/relay/ext-epc/contact-pos eq 0
				/controls/electrical/switches/bus-tie eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/gen-2-glc/contact-pos eq 0
				/systems/electrical/bus/ac-bus-tie ge 110
				/controls/electrical/switches/bus-tie eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-2/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-bus-tie">
				/systems/electrical/relay/ac-bus-ac-bus-tie-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- AC ESS Relays -->
		<switch name="/systems/electrical/relay/ac-ess-feed-1/auto-switch">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/bus/ac-1 lt 110
			</test>
		</switch>
		
		<actuator name="/systems/electrical/relay/ac-ess-feed-1/auto-switch-timer">
			<input>/systems/electrical/relay/ac-ess-feed-1/auto-switch</input>
			<rate_limit sense="decr">120</rate_limit> <!-- Instant -->
			<rate_limit sense="incr">0.33333333333</rate_limit> <!-- 3 seconds -->
		</actuator>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-1/contact-pos"> <!-- TODO: via 1XC CB on 123VU -->
			<default value="0"/>
			<test logic="AND" value="1"> <!-- old AC ESS FEED supply mode -->
				/controls/electrical/switches/ac-ess-feed eq 0
				/systems/electrical/relay/ac-ess-feed-1/auto-switch-timer lt 1
				/controls/electrical/switches/emer-gen-test eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-1/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-1">
				/systems/electrical/relay/ac-ess-feed-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-2/contact-pos"> <!-- TODO: via 2XC CB on 123VU -->
			<default value="0"/>
			<test logic="AND" value="1"> <!-- old AC ESS FEED supply mode -->
				<test logic="OR">
					/controls/electrical/switches/ac-ess-feed eq 1
					/systems/electrical/relay/ac-ess-feed-1/auto-switch-timer eq 1
				</test>
				/controls/electrical/switches/emer-gen-test eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-2/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-2">
				/systems/electrical/relay/ac-ess-feed-2/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-emer-gen/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/bus/ac-1 eq 0
				/systems/electrical/bus/ac-2 eq 0
				/systems/electrical/relay/emer-glc/output ge 110
			</test>
			<test logic="AND" value="1">
				/systems/electrical/bus/ac-1 ne 0
				/systems/electrical/bus/ac-2 ne 0
				/controls/electrical/switches/emer-gen-test eq 1
				/systems/electrical/relay/emer-glc/output ge 110
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-emer-gen/output">
			<default value="0"/>
			<test value="/systems/electrical/relay/emer-glc/output">
				/systems/electrical/relay/ac-ess-feed-emer-gen/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-inverter/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/instrumentation/airspeed-indicator/indicated-speed-kt ge 50
				/systems/electrical/bus/ac-1 eq 0
				/systems/electrical/bus/ac-2 eq 0
				/controls/electrical/switches/emer-gen-test eq 0
				/systems/electrical/relay/emer-glc/output lt 110
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-feed-inverter/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/si-1/output-volt">
				/systems/electrical/relay/ac-ess-feed-inverter/contact-pos eq 1
			</test>
		</switch>
		
		<!-- AC ESS Shedding -->
		<switch name="/systems/electrical/relay/ac-ess-shed-switch/contact-pos">
			<default value="1"/>
			<test logic="OR" value="0"> <!-- TODO: confirm these conditions are for galley, NOT ESS -->
				/systems/electrical/sources/si-1/inverter-active eq 1
				/controls/electrical/switches/emer-gen-test eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-ess-shed-switch/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-ess">
				/systems/electrical/relay/ac-ess-shed-switch/contact-pos eq 1
			</test>
		</switch>
		
		<!-- Galleys -->
		<fcs_function name="/systems/electrical/some-electric-thingie/galley-shed-sum">
			<function>
				<sum>
					<property>/systems/electrical/relay/apu-glc/contact-pos</property>
					<property>/systems/electrical/relay/ext-epc/contact-pos</property>
					<property>/systems/electrical/relay/gen-1-glc/contact-pos</property>
					<property>/systems/electrical/relay/gen-2-glc/contact-pos</property>
				</sum>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/relay/galley-bus-1-shed-switch/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/electrical/switches/galley eq 1
				<test logic="OR">
					<test logic="AND">
						/gear/gear[1]/wow eq 0
						/systems/electrical/some-electric-thingie/galley-shed-sum gt 1
					</test>
					<test logic="AND">
						/gear/gear[1]/wow eq 1
						<test logic="OR">
							/systems/electrical/relay/apu-glc/output ge 110
							/systems/electrical/relay/ext-epc/output ge 110
							<test logic="AND">
								/systems/electrical/relay/gen-1-glc/output ge 110
								/systems/electrical/relay/gen-2-glc/output ge 110
							</test>
						</test>
					</test>
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/galley-bus-1-shed-switch/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-1">
				/systems/electrical/relay/galley-bus-1-shed-switch/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/galley-bus-2-shed-switch/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/electrical/switches/galley eq 1
				<test logic="OR">
					<test logic="AND">
						/gear/gear[1]/wow eq 0
						/systems/electrical/some-electric-thingie/galley-shed-sum gt 1
					</test>
					<test logic="AND">
						/gear/gear[1]/wow eq 1
						<test logic="OR">
							/systems/electrical/relay/apu-glc/output ge 110
							/systems/electrical/relay/ext-epc/output ge 110
							<test logic="AND">
								/systems/electrical/relay/gen-1-glc/output ge 110
								/systems/electrical/relay/gen-2-glc/output ge 110
							</test>
						</test>
					</test>
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/galley-bus-2-shed-switch/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-2">
				/systems/electrical/relay/galley-bus-2-shed-switch/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/galley-shed">
			<default value="0"/>
			<test logic="OR" value="1">
				/systems/electrical/relay/galley-bus-1-shed-switch/contact-pos eq 0
				/systems/electrical/relay/galley-bus-2-shed-switch/contact-pos eq 0
			</test>
		</switch>
		
		<!-- AC Bus 1 -->
		<switch name="/systems/electrical/bus/ac-1-src">
			<description>Tell which source is being used for priority purpose</description>
			<default value="0"/> <!-- OFF -->
			<test value="1"> <!-- IDG1 -->
				/systems/electrical/relay/gen-1-glc/contact-pos eq 1
			</test>
			<test value="2"> <!-- Bus Tie -->
				/systems/electrical/relay/ac-bus-ac-bus-tie-1/contact-pos eq 1
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/bus/ac-1">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/ac-1-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/gen-1-glc/output</property>
						<property>/systems/electrical/relay/ac-bus-ac-bus-tie-1/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
	
		<!-- AC Bus 2 -->
		<switch name="/systems/electrical/bus/ac-2-src">
			<description>Tell which source is being used for priority purpose</description>
			<default value="0"/> <!-- OFF -->
			<test value="1"> <!-- IDG2 -->
				/systems/electrical/relay/gen-2-glc/contact-pos eq 1
			</test>
			<test value="2"> <!-- Bus Tie -->
				/systems/electrical/relay/ac-bus-ac-bus-tie-2/contact-pos eq 1
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/bus/ac-2">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/ac-2-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/gen-2-glc/output</property>
						<property>/systems/electrical/relay/ac-bus-ac-bus-tie-2/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
		
		<pure_gain name="/systems/electrical/bus/ac-1-26v"> <!-- TODO: via 5XN1 CB on 123VU, supplies ADIRS -->
			<input>/systems/electrical/bus/ac-1</input>
			<gain>0.2260869565</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/bus/ac-2-26v"> <!-- TODO: via 5XN2 CB on 123VU, supplies ADIRS -->
			<input>/systems/electrical/bus/ac-2</input>
			<gain>0.2260869565</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/bus/ac-ess-26v"> <!-- TODO: via 4XH CB on 106VU -->
			<input>/systems/electrical/bus/ac-ess</input>
			<gain>0.2260869565</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/bus/ac-si-bus"> <!-- feeds landing gear indication, apu fuel pump, some annunciators, a injectors if RAT is out, only if stat inv is on -->
			<input>/systems/electrical/sources/si-1/output-volt</input> <!-- TODO: via 12XB CB on 105VU -->
			<gain>1</gain>
		</pure_gain>
		
		<fcs_function name="/systems/electrical/bus/ac-ess">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/ac-ess-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/ac-ess-feed-1/output</property>
						<property>/systems/electrical/relay/ac-ess-feed-2/output</property>
						<property>/systems/electrical/relay/ac-ess-feed-emer-gen/output</property>
						<property>/systems/electrical/relay/ac-ess-feed-inverter/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
		
		<pure_gain name="/systems/electrical/bus/ac-ess-shed">
			<input>/systems/electrical/relay/ac-ess-shed-switch/output</input>
			<gain>/systems/electrical/relay/ac-ess-shed-switch/contact-pos</gain>
		</pure_gain>
		
		<!-- AC Bus Tie AC Bus Relays (continued) -->
		<!-- These outputs are from the AC Bus to the AC Bus Tie -->
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-1/output-tie">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-1">
				/systems/electrical/relay/ac-bus-ac-bus-tie-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/ac-bus-ac-bus-tie-2/output-tie">
			<default value="0"/>
			<test value="/systems/electrical/bus/ac-2">
				/systems/electrical/relay/ac-bus-ac-bus-tie-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- AC Bus Tie -->
		<switch name="/systems/electrical/bus/ac-bus-tie">
            <default value="0"/>
            <test value="/systems/electrical/relay/ext-epc/output">
               /systems/electrical/relay/ext-epc/contact-pos eq 1
            </test>
            <test value="/systems/electrical/relay/apu-glc/output">
               /systems/electrical/relay/apu-glc/contact-pos eq 1
            </test>
            <test logic="AND" value="/systems/electrical/relay/ac-bus-ac-bus-tie-1/output-tie">
                /systems/electrical/relay/ac-bus-ac-bus-tie-1/contact-pos eq 1
                /systems/electrical/bus/ac-1-src ne 2
            </test>
            <test logic="AND" value="/systems/electrical/relay/ac-bus-ac-bus-tie-2/output-tie">
                /systems/electrical/relay/ac-bus-ac-bus-tie-2/contact-pos eq 1
                /systems/electrical/bus/ac-2-src ne 2
            </test>
        </switch>
		
		<!-- Transformer Rectifiers -->
		<pure_gain name="/systems/electrical/sources/tr-1/output-volt">
			<input>/systems/electrical/bus/ac-1</input> <!-- TODO: via 2PU1 CB -->
			<gain>0.24347826086956523</gain> <!-- AC to DC converter -->
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/tr-1/output-amp"> <!-- TODO: make it depend on current draw -->
			<function>
				<table>
					<independentVar lookup="row">/systems/electrical/sources/tr-1/output-volt</independentVar>
					<tableData>
						   0    0
						27.5  200
					</tableData>
				</table>
			</function>
		</fcs_function>
		
		<pure_gain name="/systems/electrical/sources/tr-2/output-volt">
			<input>/systems/electrical/bus/ac-2</input> <!-- TODO: via 2PU2 CB -->
			<gain>0.24347826086956523</gain> <!-- AC to DC converter -->
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/tr-2/output-amp"> <!-- TODO: make it depend on current draw -->
			<function>
				<table>
					<independentVar lookup="row">/systems/electrical/sources/tr-2/output-volt</independentVar>
					<tableData>
						   0    0
						27.5  200
					</tableData>
				</table>
			</function>
		</fcs_function>
		
		<switch name="/systems/electrical/sources/ess-tr/working">
			<default value="0"/>
			<test value="0.24347826086956523">
				/systems/failures/electrical/ess-tr eq 0
			</test>
		</switch>
		
		<pure_gain name="/systems/electrical/sources/ess-tr/output-volt">
			<input>/systems/electrical/bus/ac-ess</input> <!-- TODO: via 2PU1 CB -->
			<gain>/systems/electrical/sources/ess-tr/working</gain> <!-- AC to DC converter -->
		</pure_gain>
		
		<fcs_function name="/systems/electrical/sources/ess-tr/output-amp"> <!-- TODO: make it depend on current draw -->
			<function>
				<table>
					<independentVar lookup="row">/systems/electrical/sources/ess-tr/output-volt</independentVar>
					<tableData>
						   0    0
						27.5  200
					</tableData>
				</table>
			</function>
		</fcs_function>
		
		<!-- Transformer Rectifier Contactors (Relays) -->
		<switch name="/systems/electrical/relay/tr-contactor-1/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/sources/tr-1/output-volt ne 0
				/systems/electrical/sources/tr-1/output-amp ne 0
				/systems/failures/electrical/tr-1 eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/tr-contactor-1/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/tr-1/output-volt">
				/systems/electrical/relay/tr-contactor-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/tr-contactor-1/output-amp">
			<default value="0"/>
			<test value="/systems/electrical/sources/tr-1/output-amp">
				/systems/electrical/relay/tr-contactor-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/tr-contactor-2/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/sources/tr-2/output-volt ne 0
				/systems/electrical/sources/tr-2/output-amp ne 0
				/systems/failures/electrical/tr-2 eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/tr-contactor-2/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/tr-2/output-volt">
				/systems/electrical/relay/tr-contactor-2/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/tr-contactor-2/output-amp">
			<default value="0"/>
			<test value="/systems/electrical/sources/tr-2/output-amp">
				/systems/electrical/relay/tr-contactor-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- DC Bus Tie Relays -->
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/bus/ac-1 ge 110
				/systems/electrical/bus/dc-1 ge 25
				/systems/electrical/relay/tr-contactor-1/contact-pos eq 1
			</test>
			<test logic="AND" value="1">
				/systems/electrical/bus/dc-bat ge 25
				/systems/electrical/bus/dc-bat-src ne 3
				<test logic="OR">
					/systems/electrical/relay/tr-contactor-1/contact-pos eq 0
					/systems/electrical/relay/tr-contactor-2/contact-pos eq 0
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-1/output">
			<default value="0"/>
			<test logic="AND" value="/systems/electrical/bus/dc-bat">
				/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-2/contact-pos">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/relay/dc-ess-feed-bat/contact-pos eq 0
				/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 0
				/systems/electrical/relay/tr-contactor-2/contact-pos eq 1
				/systems/electrical/bus/dc-2 ge 25
			</test>
			<test logic="AND" value="1">
				/systems/electrical/bus/dc-bat ge 25
				/systems/electrical/bus/dc-bat-src ne 3
				<test logic="OR">
					/systems/electrical/relay/tr-contactor-1/contact-pos eq 0
					/systems/electrical/relay/tr-contactor-2/contact-pos eq 0
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-2/output">
			<default value="0"/>
			<test logic="AND" value="/systems/electrical/bus/dc-bat">
				/systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- DC ESS Relays -->
		<switch name="/systems/electrical/relay/dc-ess-feed-tr/contact-pos"> <!-- TODO: supply via 4PE CB on 106VU, contactor via 5PE on 106VU -->
			<default value="0"/>
			<test logic="AND" value="1">
				<test logic="OR">
					/systems/electrical/relay/tr-contactor-1/output lt 25
					/systems/electrical/relay/tr-contactor-2/output lt 25
					/systems/electrical/relay/emer-glc/output ge 110
				</test>
				/systems/electrical/sources/ess-tr/output-volt ge 25
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-ess-feed-tr/output">
			<default value="0"/>
			<test value="/systems/electrical/sources/ess-tr/output-volt">
				/systems/electrical/relay/dc-ess-feed-tr/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-ess-feed-tr/output-amp">
			<default value="0"/>
			<test value="/systems/electrical/sources/ess-tr/output-amp">
				/systems/electrical/relay/dc-ess-feed-tr/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-ess-feed-bat/contact-pos"> <!-- TODO: via 20PC1 80A fuse on 120VU -->
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/relay/dc-ess-feed-tr/contact-pos eq 0
				<test logic="OR">
					/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 0
					/systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 0
				</test>
				/controls/electrical/switches/emer-gen-test eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-ess-feed-bat/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/dc-bat">
				/systems/electrical/relay/dc-ess-feed-bat/contact-pos eq 1
			</test>
		</switch>
		
		<!-- DC Ess Shedding -->
		<switch name="/systems/electrical/relay/dc-ess-shed-switch/contact-pos">
			<default value="1"/>
			<test logic="OR" value="0"> <!-- TODO: confirm these conditions are for galley, NOT ESS -->
				/systems/electrical/sources/si-1/inverter-active eq 1
				/controls/electrical/switches/emer-gen-test eq 1
			</test>
		</switch>
		
		<!-- DC Service Bus -->
		<switch name="/systems/electrical/relay/dc-svc-bus-contactor-tr/contact-pos"> <!-- TODO: via 1PX CB on 124VU -->
			<default value="0"/>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-svc-bus-contactor-tr/output">
			<default value="0"/>
			<test value="/systems/electrical/relay/tr-contactor-2/output">
				/systems/electrical/relay/dc-svc-bus-contactor-tr/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-svc-bus-contactor-bus-2/contact-pos"> <!-- TODO: via 7PN CB on 124VU -->
			<default value="1"/>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-svc-bus-contactor-bus-2/output">
			<default value="0"/>
			<test value="/systems/electrical/bus/dc-2">
				/systems/electrical/relay/dc-svc-bus-contactor-bus-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- DC Bus 1 -->
		<switch name="/systems/electrical/bus/dc-1-src">
			<description>Tell which source is being used for priority purpose</description>
			<default value="0"/> <!-- OFF -->
			<test value="1"> <!-- TR1 -->
				/systems/electrical/relay/tr-contactor-1/output ge 25
			</test>
			<test value="2"> <!-- DC BAT -->
				/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 1
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/bus/dc-1">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/dc-1-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/tr-contactor-1/output</property>
						<property>/systems/electrical/relay/dc-bus-tie-dc-1/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
		
		<!-- DC Bus 2 -->
		<switch name="/systems/electrical/bus/dc-2-src">
			<description>Tell which source is being used for priority purpose</description>
			<default value="0"/> <!-- OFF -->
			<test value="1"> <!-- TR1 -->
				/systems/electrical/relay/tr-contactor-2/output ge 25
			</test>
			<test value="2"> <!-- DC BAT -->
				/systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 1
			</test>
		</switch>
		
		<fcs_function name="/systems/electrical/bus/dc-2">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/dc-2-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/tr-contactor-2/output</property>
						<property>/systems/electrical/relay/dc-bus-tie-dc-2/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
		
		<fcs_function name="/systems/electrical/bus/dc-service-bus">
			<function>
				<max>
					<property>/systems/electrical/relay/dc-svc-bus-contactor-tr/output</property>
					<property>/systems/electrical/relay/dc-svc-bus-contactor-bus-2/output</property>
				</max>
			</function>
		</fcs_function>
		
		<!-- DC Bus Tie DC Bus Relays (continued) -->
		<!-- These outputs are from the DC Bus to the DC Bus Tie -->
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-1/output-tie">
			<default value="0"/>
			<test value="/systems/electrical/bus/dc-1">
				/systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/relay/dc-bus-tie-dc-2/output-tie">
			<default value="0"/>
			<test value="/systems/electrical/bus/dc-2">
				/systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 1
			</test>
		</switch>
		
		<!-- DC Bat Bus -->
		<switch name="/systems/electrical/bus/dc-bat-src">
			<description>Tell which source is being used for priority purpose</description>
			<default value="0"/> <!-- OFF -->
			<test value="1"> <!-- DC1 -->
                /systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 1
                /systems/electrical/bus/dc-1-src ne 2
			</test>
			<test value="2"> <!-- DC2 -->
                /systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 1
                /systems/electrical/bus/dc-2-src ne 2
			</test>
			<test logic="OR" value="3"> <!-- BAT -->
				<test logic="AND">
					/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
					<test logic="OR">
						/controls/electrical/switches/bat-1 eq 1
						/controls/electrical/switches/bat-2 eq 1
					</test>
					/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				</test>
				<test logic="AND">
					<test logic="OR">
						/controls/electrical/switches/bat-1 eq 1
						/controls/electrical/switches/bat-2 eq 1
					</test>
					/systems/apu/dc-bat-three-minutes eq 1
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/bus/dc-bat">
            <default value="0"/>
			<test value="0">
				/systems/failures/electrical/dc-bat-bus eq 1
			</test>
            <test logic="AND" value="/systems/electrical/relay/dc-bus-tie-dc-1/output-tie">
                /systems/electrical/relay/dc-bus-tie-dc-1/contact-pos eq 1
                /systems/electrical/bus/dc-1-src ne 2
            </test>
            <test logic="AND" value="/systems/electrical/relay/dc-bus-tie-dc-2/output-tie">
                /systems/electrical/relay/dc-bus-tie-dc-2/contact-pos eq 1
                /systems/electrical/bus/dc-2-src ne 2
            </test>
            <test logic="OR" value="/systems/electrical/sources/bat-1/volt">
				<test logic="AND">
					/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
					/controls/electrical/switches/bat-1 eq 1
					/systems/electrical/bus/dc-bat-src eq 3
					/systems/electrical/sources/bat-1/volt ge 25
					/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				</test>
				<test logic="AND">
					/systems/apu/dc-bat-three-minutes eq 1
					/controls/electrical/switches/bat-1 eq 1
					/systems/electrical/bus/dc-bat-src eq 3
					/systems/electrical/sources/bat-1/volt ge 25
				</test>
            </test>
            <test logic="OR" value="/systems/electrical/sources/bat-2/volt">
				<test logic="AND">
					/instrumentation/airspeed-indicator/indicated-speed-kt lt 100
					/controls/electrical/switches/bat-2 eq 1
					/systems/electrical/bus/dc-bat-src eq 3
					/systems/electrical/sources/bat-2/volt ge 25
					/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				</test>
				<test logic="AND">
					/systems/apu/dc-bat-three-minutes eq 1
					/controls/electrical/switches/bat-2 eq 1
					/systems/electrical/bus/dc-bat-src eq 3
					/systems/electrical/sources/bat-2/volt ge 25
				</test>
            </test>
        </switch>
		
		<!-- DC ESS Bus -->
		<fcs_function name="/systems/electrical/bus/dc-ess">
			<function>
				<ifthen>
					<eq>
						<property>/systems/failures/electrical/dc-ess-bus</property>
						<value>1</value>
					</eq>
					<value>0</value>
					<max>
						<property>/systems/electrical/relay/dc-ess-feed-bat/output</property>
						<property>/systems/electrical/relay/dc-ess-feed-tr/output</property>
					</max>
				</ifthen>
			</function>
		</fcs_function>
		
		<pure_gain name="/systems/electrical/bus/dc-ess-shed">
			<input>/systems/electrical/bus/dc-ess</input>
			<gain>/systems/electrical/relay/dc-ess-shed-switch/contact-pos</gain>
		</pure_gain>
		
		<!-- Hot Buses -->
		<pure_gain name="/systems/electrical/bus/dc-hot-1">
			<input>/systems/electrical/sources/bat-1/volt</input> <!-- todo CB 12PB1 / 5PB1 -->
			<gain>1.0</gain>
		</pure_gain>
		
		<pure_gain name="/systems/electrical/bus/dc-hot-2">
			<input>/systems/electrical/sources/bat-2/volt</input> <!-- todo CB 12PB2 / 5PB2 -->
			<gain>1.0</gain>
		</pure_gain>
	
		<switch name="/systems/electrical/some-electric-thingie/emer-elec-config">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/bus/ac-1 lt 110
				/systems/electrical/bus/ac-2 lt 110
			</test>
			<test logic="AND" value="1">
				/systems/electrical/relay/ext-epc/contact-pos eq 0
				<test logic="OR">
					/controls/electrical/switches/gen-1 eq 0
					/systems/failures/electrical/gen-1 eq 1
                </test>
				<test logic="OR">
					/controls/electrical/switches/gen-2 eq 0
					/systems/failures/electrical/gen-2 eq 1
                </test>
				<test logic="OR">
					/controls/electrical/switches/apu eq 0
					/systems/failures/electrical/apu eq 1
					/engines/engine[2]/n1 lt 94.9
                </test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/emer-elec-config-generator-1-bustie">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/systems/electrical/some-electric-thingie/generator-1-pb eq 1
				/controls/electrical/switches/bus-tie eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/emer-elec-config-generator-2-bustie">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/systems/electrical/some-electric-thingie/generator-2-pb eq 1
				/controls/electrical/switches/bus-tie eq 0
			</test>
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/emer-elec-config-generator-1">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/systems/electrical/some-electric-thingie/generator-1-pb eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/some-electric-thingie/emer-elec-config-generator-2">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/some-electric-thingie/emer-elec-config eq 1
				/systems/electrical/some-electric-thingie/generator-2-pb eq 1
			</test>
		</switch>
		
		<actuator name="/systems/electrical/some-electric-thingie/static-inverter-timer">
            <input>/systems/electrical/relay/ac-ess-feed-inverter/contact-pos</input>
            <rate_limit sense="decr">120</rate_limit> <!-- Instant -->
            <rate_limit sense="incr">0.1</rate_limit> <!-- 10 seconds -->
        </actuator>
		
		<!-- Output to Generics to keep FG things working, temporary, until we know what gets power by what bus -->
		<switch name="/systems/electrical/generic-pwr">
			<description>This makes the FG stuff work because we killed the generic electrical</description>
			<default value="0"/>
			<test value="/systems/electrical/bus/dc-1">
				/systems/electrical/bus/dc-1 ge 25
			</test>
			<test value="/systems/electrical/bus/dc-2">
				/systems/electrical/bus/dc-2 ge 25
			</test>
			<!--<output>/systems/electrical/outputs/adf</output>
			<output>/systems/electrical/outputs/dme</output>-->
			<output>/systems/electrical/outputs/efis</output>
			<output>/systems/electrical/outputs/fcp-power</output>
			<output>/systems/electrical/outputs/fuel-pump[0]</output>
			<output>/systems/electrical/outputs/fuel-pump[1]</output>
			<output>/systems/electrical/outputs/fuel-pump[2]</output>
			<output>/systems/electrical/outputs/gps</output>
			<output>/systems/electrical/outputs/mk-viii</output>
			<!--<output>/systems/electrical/outputs/nav[0]</output>
			<output>/systems/electrical/outputs/nav[1]</output>
			<output>/systems/electrical/outputs/nav[2]</output>
			<output>/systems/electrical/outputs/nav[3]</output>-->
			<output>/systems/electrical/outputs/tacan</output>
			<output>/systems/electrical/outputs/turn-coordinator</output>
		</switch>
	</channel>
	
	<!-- Notes -->
	<!-- Priority: eng, ext, apu but EXT ON lt stays on even when not feeding a/c -->
	<!-- TR 2 fail leads to loss of gnd FLT bus -->
	
	<channel name="Overhead Lights" execrate="8">
	
		<switch name="/systems/electrical/light/ac-ess-feed-fault">
			<default value="0"/>
			<test value="1">
				/systems/electrical/bus/ac-ess lt 110
			</test>
		</switch>
			
		<switch name="/systems/electrical/light/apu-fault">
			<default value="0"/>
			<test logic="AND" value="1">
				/controls/electrical/switches/apu eq 1
				<test logic="OR">
					/systems/electrical/sources/apu/gcu-fault eq 1
					<test logic="AND">
						/systems/electrical/relay/apu-glc/contact-pos eq 0
						/systems/electrical/relay/ext-epc/contact-pos eq 0
						/systems/electrical/relay/gen-1-glc/contact-pos eq 0
						/systems/electrical/relay/gen-2-glc/contact-pos eq 0
					</test>
				</test>
				/systems/electrical/sources/apu/drive-rpm gt 22800
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/bat-1-fault">
			<default value="0"/>
			<test value="1"> <!-- TODO: depends charging current -->
				/systems/failures/electrical/bat-1 eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/bat-2-fault">
			<default value="0"/>
			<test value="1"> <!-- TODO: depends charging current -->
				/systems/failures/electrical/bat-2 eq 1
			</test>
		</switch>
		
		<!-- TODO: galley fault when load > 100 -->
		<switch name="/systems/electrical/light/galley-fault">
			<default value="0"/>
		</switch>
			
		<switch name="/systems/electrical/light/gen-1-fault">
			<default value="0"/>
			<test value="1">
				/controls/electrical/switches/gen-1 eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-1/gcu-1-fault eq 1
					/systems/electrical/relay/gen-1-glc/contact-pos eq 0
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/gen-2-fault">
			<default value="0"/>
			<test value="1">
				/controls/electrical/switches/gen-2 eq 1
				<test logic="OR">
					/systems/electrical/sources/idg-2/gcu-2-fault eq 1
					/systems/electrical/relay/gen-2-glc/contact-pos eq 0
				</test>
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/idg-1-fault">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/failures/electrical/idg-1 eq 1
				/systems/electrical/sources/idg-1/drive-rpm gt 2000
			</test>
			<test logic="AND" value="1">
				/controls/electrical/switches/idg-1-disc-momentary eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/idg-2-fault">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/failures/electrical/idg-2 eq 1
				/systems/electrical/sources/idg-2/drive-rpm gt 2000
			</test>
			<test logic="AND" value="1">
				/controls/electrical/switches/idg-2-disc-momentary eq 1
			</test>
		</switch>
		
		<switch name="/systems/electrical/light/rat-emer-gen-fault">
			<default value="0"/>
			<test logic="AND" value="1">
				/systems/electrical/relay/dc-ess-feed-tr/output eq 0
				/systems/electrical/bus/ac-1 eq 0
				/systems/electrical/bus/ac-2 eq 0
				position/wow eq 0
			</test>
		</switch>
	
	</channel>
	
</system>