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TU Rob
Troy Fan
Birmingham
Member since Nov 2008
9686 posts

Wiring question on electric oven - hot smell and smoke when running
This past weekend I was making the kids some cheese toast. Turned it on low broil and a few minutes later the breaker flipped. It’s never done that in the dozen or so years I’ve lived here. About 6 months back I had a heating element go out so I had to remove it from the wall. Took the chance to redo the wiring since it was easier to just take it all out of the cabinet that way. Fast forward to tonight and I turn it on and immediately smell smoke. Look under the cabinet and it is giving off faint smoke from the electrical box. I killed the power and turned the breaker off. Obviously I’m going to rewire it, but what can cause this?
This post was edited on 5/13 at 8:52 pm


eng08
LSU Fan
Member since Jan 2013
3719 posts

re: Wiring question on electric oven - hot smell and smoke when running
Better make sure the wire in the wall isn’t on fire


TU Rob
Troy Fan
Birmingham
Member since Nov 2008
9686 posts

re: Wiring question on electric oven - hot smell and smoke when running
Yeah I checked that. It’s wired from the basement below and I followed that from the box to where I comes up to the cabinet. It’s at the junction box. I think it’s on the oven side. I’m thinking just replace the whole wire there.


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RaginCajunz
LA-Lafayette Fan
Member since Mar 2009
2831 posts
 Online 

re: Wiring question on electric oven - hot smell and smoke when running
The wiring block on the oven where the main power connects is a typical problem spot. The connection either starts loose or gets loose due to heating. That loose connection builds heat due to resistance and burns up the block. My best guess


ItzMe1972
Member since Dec 2013
2390 posts
 Online 

re: Wiring question on electric oven - hot smell and smoke when running
Could be loose wire in outlet, or loose grip on the connector.

Likely obvious with visual inspection.


bee Rye
Chicago Cubs Fan
New orleans
Member since Jan 2006
30097 posts
 Online 

re: Wiring question on electric oven - hot smell and smoke when running
quote:

Likely obvious with visual inspection.
this

if it was smoking, get up in there and you will be able to see where the problem was


TU Rob
Troy Fan
Birmingham
Member since Nov 2008
9686 posts

re: Wiring question on electric oven - hot smell and smoke when running
So after further research, this oven originally came with a 4 prong plug. My dad bought it and a dishwasher as a house warming gift for us 12 years ago and had Lowe’s do the install. I was out of town for work that week and came home to a new install. Except the old oven was hardwired in. Looking for replacement cords at Home Depot tonight and resorting to looking up the model number, that’s when I realized this. So I bought the 4 prong cord and an outlet for it. Is there anything that different about wiring this outlet over your standard 110? I bought a surface mount and I’m going to attach it to the wood cabinet backing.


Miketheseventh
LSU Fan
Member since Dec 2017
964 posts

re: Wiring question on electric oven - hot smell and smoke when running
Absolutely. No comparison. 110 VAC is one hot leg, one neutral leg and one ground. The four prong is for 220 VAC. Two hot legs (one from each phase of your main panel) one neutral and one ground. The hot legs are the two prongs that are on the east and west on the plug. The neutral is usually the top prong and the ground the bottom prong


TU Rob
Troy Fan
Birmingham
Member since Nov 2008
9686 posts

re: Wiring question on electric oven - hot smell and smoke when running
quote:

Miketheseventh


Thanks. I figured I was going to hook up 4 instead of 3. Not a big deal. I’m sure there’s a wiring diagram in there. It’s the same plug as my dryer.


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