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Unread Today, 06:03 PM   #1
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Default 25kv underground service lateral

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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Unread Today, 06:31 PM   #2
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lightning strike or corona?
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Unread Today, 07:05 PM   #3
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What type of cable?
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