As a matter of convenience, the illustrated test in figure "A" is being performed to determine whether or not the motor windings are grounded. In orde...

Question

As a matter of convenience, the illustrated test in figure "A" is being performed to determine whether or not the motor windings are grounded. In order for this megger test to be effective in detecting a ground, what condition must be met prior to conducting the test?

Accepted Answer

the motor starter enclosure, the motor feeder cable armor, and the motor frame must have a path of continuity and be bonded to the hull

Engine 2014: Electricity

As a matter of convenience, the illustrated test in figure "A" is being performed to determine whether or not the motor windings are grounded. In order for this megger test to be effective in detecting a ground, what condition must be met prior to conducting the test?

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