Extending a 3 wire stove circuit

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Ashokan1

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Is it allowable to extend an existing 50A 3-wire stove circuit? I'd like to add a junction box and about 3 feet of conduit to a relocated stove receptacle. My question is how can I deal with the 3-wire neutral/ground issue in a metal junction box and conduit? Do I bond the neutral and ground in the j-box/conduit as is allowed in the 3-wire stove setup? Many thanks.
 
In my opinion the NEC does not allow you to extend this circuit.



If your AHJ allows you to do this I suggest using PVC or SE cable so you have nothing to bond / ground other than the range itself.
 
Ashokan1 said:
Is it allowable to extend an existing 50A 3-wire stove circuit? I'd like to add a junction box and about 3 feet of conduit to a relocated stove receptacle. My question is how can I deal with the 3-wire neutral/ground issue in a metal junction box and conduit? Do I bond the neutral and ground in the j-box/conduit as is allowed in the 3-wire stove setup? Many thanks.
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I agree w/ iwire- NEC 250.140 exception doesn't apply- the ckt is being altered by being extended. Also concur that if you do per ahj allowance, do plastic for the jb and pipe.

What is the current wiring method to the stove?
 
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Wouldnt fly here; you'd have to run a new 4 wire circuit from the panel.

You may be able to find a longer cord to reach the existing receptacle if it's still accessible.
 
I ordered the cord as it seems to be the best way out for the customer. The option to rewire is somewhat difficult and costly as it is a 100+ year old house. The circuit goes from the basement two floors up to the attic, under and across an attic floor, and down into the wall of the second floor apartment. To replace the entire cable with 4-wire is a big job just to move the stove three feet to the left. If the pockets of the customer were deep I'd have no problem suggesting that route but that isn't the case.
 
Ashokan1 said:
I ordered the cord as it seems to be the best way out for the customer. The option to rewire is somewhat difficult and costly as it is a 100+ year old house. The circuit goes from the basement two floors up to the attic, under and across an attic floor, and down into the wall of the second floor apartment. To replace the entire cable with 4-wire is a big job just to move the stove three feet to the left. If the pockets of the customer were deep I'd have no problem suggesting that route but that isn't the case.
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Probably could have found a listed one but in any event I'm glad the problem is solved. :cool:
 
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