ND Electrician Practice Questions - North Dakota Journeyman Electrician License Exam

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According to NEC 460.8(A), capacitor cases of over 1000V must be grounded. What is the minimum discharge time requirement for capacitors rated over 1000V per NEC 460.6?

30 seconds to reduce to 50 volts 1 minute to reduce to 50 volts 5 minutes to reduce to 50 volts 5 minutes to reduce to 75 volts or less

Correct Answer:

5 minutes to reduce to 50 volts

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