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mjr6550

Sub panel NEC 303.3?

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I inspected some electrical repairs today performed due to concerns found by a home inspector. There had been two tandem breakers in a main panel that were not permitted. An electrician moved the two hot conductors to two new breakers installed in an existing sub panel. This was done by splicing wires to the hot conductors and running them through flexible plastic conduit to the sub panel. A single ground wire was also run between the panels. The neutral conductors were left in the main panel. Is this wrong? It seems like 303.3 says it is. Any other references?

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300.3 B absolutely says all conductors of a circuit shall be within the same conduit, raceway, etc.

I don't know of any other cites, not that you need any.

Marc

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