OVERHEAD PANEL LIGHTS SYSTEM WITHOUT
17 AND 74
The overhead panel lighting system includes 31 panel
lights distributed among nine individual panels and an
OVERHEAD PANEL LIGHTS control. The system also
provides 28 vdc to panel lights in engine control panel
and hoist/cargo hook control panel.
Power for the overhead panel lighting system comes
from the 28 volt No. 1 dc bus. When OVHD PNL
LIGHTING circuit breaker is closed. 28 vdc is applied
to OVERHEAD PANEL LIGHTS control which controls
the brightness of the lamps.