After a fire in our oven, I pulled it away from our wall to find this

Hardwired to wall

More images

I've never heard of an oven being hard-wired to the wall like this, but multiple sources (such as this or this) claim it's okay.

Is this really acceptable? Shouldn't this splice, at the very least, be in a junction box? Most importantly, with a new oven on its way, should I replace this with an outlet?

(also, side-question: if you look closely you can see the neutral was cut(!!!). Shouldn't that have broken the electronics on the oven? Isn't 120V required for those?)

  • 1
    "should I replace this with an outlet?" depends on what the "new oven on it's way" comes with - a plug to go into a receptacle, or a cord to be hardwired?
    – Ecnerwal
    Jun 25 at 21:40
  • @Ecnerwal: The user manual has instructions for both (assuming "3-wire conduit connection" is the same as "hard-wired") Jun 25 at 21:46
  • 1
    240 volt stoves should have minimum two hots and ground, usually also neutral. You seem to have only two hots. Splice should be in junction box. New stove is calling for two hots, a neutral and ground(3-wire conduit). Would be checking other circuits in the house/apartment for other odd surprises.
    – crip659
    Jun 25 at 22:02
  • 1
    Can you post a better shot of what's present in the wall? I can't even tell if there's a box there... Jun 25 at 22:39
  • 1
    Code doesn’t require upgrading but the absolute minimum is 3 wire and has been for ~75 years
    – Ed Beal
    Jun 26 at 0:42

Yes it should be in a junction box. It can be hard wired but that takes a cover plate and a strain relief. This is uncommon at least in my code area. The common method is at minimum 3 wires 2 hot and a ground (I don’t see a ground) .

I see the neutral wire cut off on the cord side.

The modern method is to provide all 4 wires 2 hot 1 neutral and a grounded receptacle.

This appears to be an accident in waiting.

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