Electrical Troubleshooting Quiz - September 8, 2015

Electrical Troubleshooting Quiz - September 8, 2015

The plant manager asked, “What are we paying them for if these cables fail anyhow?”

It’s been a few months since your last shutdown, and during that shutdown a testing firm conducted insulation resistance tests on all of your feeder cables. A few had to be replaced. But over the past couple of weeks several other cables have failed. These were designated as OK by the testing firm. The plant manager asked, “What are we paying them for if these cables fail anyhow?”

How can you begin formulating a good, factual answer to that question?

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