TM 5-6675-320-14
CAUTION
Do not energize section if incorrect phase lamp lights. Damage to equipment
may result.
(14) Check voltage and frequency as follows:
(a) Push phase test switch. Observe correct phase lamp lights.
(b) Turn phase switch to A.
CAUTION
Voltage must be between 110 and 120 and frequency must be at 60 ±1 Hz
on each leg before turning on main circuit breaker or damage to equipment
may result .
(c) Read voltage on meter.
(d) Read frequency on scale.
(e) Repeat for positions B and C on phase switch.
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