New answers tagged neutral
3
You'll have to either rearrange things or redo the wiring run
Your problem is that the original installer lashed this together from the 12/3 and 12/2 NM they had on their truck instead of stopping to think about this for a moment. Right now, it's not a Code issue, but it becomes one as soon as you add the second smart switch, whereas it wouldn't have been ...
3
What you have right now is a MultiWire Branch Circuit - MWBC. That is wonderful because it lets you get twice as much power over a 3-wire cable as over a 2-wire cable. But the way things are wired right now, it doesn't do what you need with the existing wires. However, rather than changing to a single switch, which would of course limit you to just 1/2 the ...
answered Jun 8 at 20:47
manassehkatz-Moving 2 Codidact
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1
It should be fine to use the neutral in this situation because its already shared between the two circuits. This is a "multi-wire branch circuit" (MWBC) and the breakers that the red and black wires go back to should have their handles tied so that they trip at the same time. In the first question you linked, the objection was using a neutral ...
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