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Engine_2014 : Electricity - 146/2299
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According to 46 CFR, Subchapter J (Electrical Engineering), which statement is true concerning a circuit breaker located in the machinery space and installed in a 440V AC distribution system?
A) It can beĀ  dependent upon mechanical cooling to operate within its rating.
B) It can have a long-time delay trip element set above the continuous current rating of the trip element or the circuit breaker frame.
C) It must have an interrupting rating sufficient to interrupt the maximum asymmetrical short- circuit current available at the point of application.
D) It must have an ambient temperature rating of 40 degrees C.
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