My electrical wire to my dishwasher comes up through a hole in the subfloor wired right to the dishwasher. I wanted to replace it (too much to go into here, just know the subfloor got wet, and I really don't like the wire there sitting in water when something goes wrong.). Can I rerun 14/2 NM Romex from the panel to the sink cabinet next to the dishwasher and then run wire from that new junction box to the dishwasher? I don't think it should simply come through the floor like that. Maybe it could 40+ years ago (maybe today too), but I want it moved.

I hate pulling the dishwasher out super far to check things. I thought the electrical would be easier to troubleshoot in the future, if I took this opportunity to rewire it. I would still have to pull the dishwasher out a little bit to look at the small junction box built into the dishwasher where you hardwire it. I'm only talking about the main line from the main panel box.

There is no garbage disposal if it matters. It is 15A, but of course I will double-check.

  • Are you simply asking whether you can put a junction box between the panel and the dishwasher's connection box? Sure. There's no issue with that. I'm not sure how it changes anything, though. You'll still have to run a cable around behind the dishwasher to get to the unit's junction box. – isherwood Sep 22 '20 at 15:10
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    Is the breaker 15A? - if it's 20A you'll need 12/2 – Ecnerwal Sep 22 '20 at 15:12
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    15A. The wire from the sink cabinet goes in through the side near the dishwasher junction box, not the back. I can't get to the back as it is at the outside wall. – learntofix Sep 22 '20 at 15:13
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    Doesn't really matter. It's no different than any of the other cable run through framing in your house. Mine's the same way (from 1992). – isherwood Sep 22 '20 at 15:38
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    @Ecnerwal It was 20A, thanks. There is a "20" on the breaker switch. – learntofix Sep 24 '20 at 17:57

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