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| MIJ.-S-l7000/6A
Load circuits: A separate circuit breaker or set of circuit breakers
shall be provided for each branch or load circuit emanating from the switch-
board. Single phase circuits shall be so connected among the three phases
so that the load on the three phases is balanced insofar as practicable con-
sidering that certain related circuits must be connected to the same phase.
Phase connections and circuit breaker ratings for each circuit shall be as
specified in the acquisition technical data package.
Bus bars: Bus bars shall be copper in accordance with QQ-C-591. Bus
bars shall be 1 inch by 1/4 inch and shall be compatible with the circuit
breaker mounting blocks. Sufficient spare holes shall be provided in bus
bars for changing the phase connections of circuit breakers connected to
the buses.
Preparing activity:
Navy - SH
(Project 1290-N382)
571
3/4
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