Electrical Troubleshooting Quiz - May 19, 2015

Electrical Troubleshooting Quiz - May 19, 2015

How can you eliminate restart problems?

Inside your plant is a complex process machine that includes a variety of loads supplied by its own branch circuit panel that is, in turn, on its own feeder. Among the loads are about a dozen motors under 2 HP, three 200 HP motors, four resistive barrel heaters, two ultraviolet lights, and a forced draft fume hood.

This machine runs on three shifts, but sometimes it must be shut down for order changes, maintenance, or other purposes. Starting it is always problematic. It invariably

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