Electrical Troubleshooting Quiz - Jan. 20, 2015

The production superintendent mentioned that the MCC is a long way from the motors and so it’s probably voltage drop.

Several motors supplied by the same MCC blow their overloads regularly. The loss of production is making this problem a priority.

The MCC consists of multiple sections. The plant manager said if the problem for one motor originates there it would have to exist in each section so don’t waste time troubleshooting at the MCC. The production superintendent mentioned that the MCC is a long way from the motors and so it’s probably voltage drop. But the actual voltages are close

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