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 TM 5-683/NAVFAC MO-116/AFJMAN 32-1083
Table 9-1. Lamp Trouble-Shooting --continued.
Tighten in socket
Lamp loose
Lamp fai1s to
start
Increase lamp voltage
Low voltage
by changing transformer
tap
Tighten
Check wiring.
Wiring fault
connections
Lamps may not start
Low temperature
when temperature is
below 32 F
Check line voltage.
Fluctuating voltage
(Momentary dips of 10
percent, or more, often
cause lights to go
out).
Lamp burned out
Replace
Lamp frequently
goes out
Wiring fault
Tighten connections.
Check wiring. Separate
lighting circuits from
heavy power circuits
Where there is a 3-
Cyclic flicker
Annoying
phase supply, connect
stroboscopic
luminaries on
effect
alternate phases. On
single phase, add
incandescent luminaries
to the system
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