737 Flight Crew Operations Manual
Electrical -
Controls and Indicators
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6.10.4 D6-27370-866-EGP
12 AC Meters Selector
Selects AC source for AC voltmeter, AC ammeter and frequency meter
indications
TEST – used by maintenance.
13 CAB/UTIL Switch
OFF – removes electrical power from galley and cabin equipment systems
including:
• all 115V AC galley busses
• left & right recirculation fans
• fwd and aft door area heaters
• drain mast heaters
• lavatory water heaters
• logo lights
• potable water compressor
• 115V AC shaver outlets when installed
YW273, YW274
• LED cabin lighting
ON – supplies electrical power to galley and cabin equipment systems.
14 IFE/PASS SEAT Switch
OFF – removes electrical power from installed components of the passenger seats,
in-flight entertainment systems, and other power systems including:
• 115V AC audio entertainment equipment
• 115V AC video entertainment equipment
• cabin telephone equipment
• FAX machine
• 28V DC video equipment and passenger seat electronic outlets
• 115V AC flight deck auxiliary power outlets
YW273, YW274
• flight deck door surveillance system
ON – supplies electrical power to installed components of the passenger seats,
in-flight entertainment systems, and other power systems.
September 15, 2016
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