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Old 09-28-2019, 07:03 PM   #1
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The local utility has primary metering on a facility i maintain.

They recommend we replace some 200 amp load break elbows because of some of the elbows looked overheated and possibly had loose connections. We removed the existing epoxies elbows and the burn marks were only around the semiconductor and one burn mark on the insulation. Any idea what would cause this?
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Old 09-28-2019, 07:31 PM   #2
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lightning strike or corona?
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Old 09-28-2019, 08:05 PM   #3
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What type of cable?
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