In conducting a megger test as shown in figure "A" of the illustration, a ground is detected. For testing purposes, how can the motor feeder cable its...

Question

In conducting a megger test as shown in figure "A" of the illustration, a ground is detected. For testing purposes, how can the motor feeder cable itself be eliminated or confirmed as the source of the ground?

Accepted Answer

Disconnect the motor feeder cable leads at both ends and perform the megger test again at either end of the motor feeder cable leads.

Engine 2014: Electricity

In conducting a megger test as shown in figure "A" of the illustration, a ground is detected. For testing purposes, how can the motor feeder cable itself be eliminated or confirmed as the source of the ground?

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