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Electrical Troubleshooting Quiz — Dec. 5, 2017

Reasons why your new new electrical testing firm’s test results may be revealing more problems

Due to a scheduling conflict, your plant hired an electrical testing firm other than the one that normally handles maintenance testing during your annual holiday shutdown. The new firm’s test results showed many more problems. For example, the number of defective cables to be replaced was three times higher than in the previous year, and the repairs would be more expensive as well. For example, this firm identified more than a dozen 480V circuit breakers that needed to be rebuilt or

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