Baldor PC Series Operator's Manual page 20

CONTROL PANEL
MAH30 and the MAV30 Units
A = NEMA 515R GFCI DUPLEX. This receptacle is a ground fault circuit
interrupter duplex rated at 125 VAC, 20 amps. This receptacle must be
tested on a regular basis (monthly).
B = STANDARD DUPLEX RECEPTACLE. This is your standard household
duplex receptacle, it is rated for 120 VAC, 15 Amps. When using this
receptacle you are utilizing the ground fault protection provided by the
GFCI receptacle.
C = ELAPSED TIME METER. This meter displays a continuous running
total of the hours accumulated on the unit.
D = CIRCUIT BREAKER. This circuit breaker provides overload protection
for the generator set. When tripped, the circuit breaker plunger will extend
out approximately 3/8".
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