Card 7 / 30: What are the insulation power-factor tests typically performed on a medium-voltage, air-magnetic circuit breaker?
A)
Six guarded-specimen tests and three ungrounded-specimen tests
B)
Three ungrounded-specimen tests and six grounded-specimen tests
C)
Three guarded-specimen tests and six grounded-specimen tests
D)
Six ungrounded-specimen tests and three guarded-specimen tests
Answer:
A) Six guarded-specimen tests and three ungrounded-specimen tests
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