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Understanding Multi-Wire Circuits


By Dave Rongey - Summary:

Circuits four and eight share the same neutral, is this correct?

Multi-Wire Circuits and Shared Neutrals

Question: Circuits four and eight share the same neutral, is this correct?

This electrical question came from: Marvin , a Student from San Diego, California.
See more about Home Wiring for California

Dave’s Reply:
Thanks for your electrical question Marvin.

Multi-Wire Circuit Wiring

Marvin, if the circuit breakers are full size then no, this is not correct. A multi-wire circuit that shares the same neutral must have each of the two circuits on separate buses, and the circuit breakers must be have their handles tied. This will ensure a balanced load on the neutral.

The Following links will assist you with your electrical question:

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