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jlenko t1_irz44zp wrote

Reply to comment by evolvedance in How did I burn out my brand new sensor switch for bathroom fan? Wiring woes! by evolvedance

You would need three conductors and a bond. 14/3 Romex would be perfect.

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evolvedance OP t1_irz5zbf wrote

Thanks for your help. So just to clarify... as is, the wire coming down will not work for the dewstop switch as I need another hot wire to connect to the red "fan" wire?

If it's incompatible, will that original switch work?

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jlenko t1_irz6y1i wrote

Existing wiring won’t work for a smart switch, no. Unless it’s one that doesn’t require a neutral. I’ve installed a bunch of the Dewstops (Costco FTW!), they’re cheap, easy, reliable switches.. but you definitely need that neutral

A regular single pole switch would work just fine. If the old one didn’t work, then just replace it with another

But.. that wiring still bugs me. Is the black outer insulation rubber? Sure looks like cab tire in your picture

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evolvedance OP t1_irzc3hw wrote

Alright. Makes sense.

Yes. It appears to be rubber. House was built around 1940. Parent's house.

I looked up cab tire but didn't find much. Is it dangerous? Probably not in the budget to rewire the house just yet, but would be good to know to line up priorities.

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jlenko t1_is13iz8 wrote

Cab tire.. rubber insulated, SOOW or SJOOW identifier on the rubber jacket

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