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Old 10-20-2010, 10:11 AM   #1
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Reuse of 2-wire with ground Type SE cable for 4-wire 240 VAC wall oven


The topic of 3-wire 220 conversion to 4-wire 220 is a topic that has been covered many times, but I have a slight variation that requires some advice.

This is for a double wall oven in a kitchen remodel. The existing wiring is Type SE Aluminum with two insulated AWG #6 conductors, and an uninsulated ground wire all within the outer plastic jacket. This connects to a wall oven that has 4-wires (L1,L2,N,G). They are connected together within a metal junction box nailed to the wall. The ovens neutral and green wire ground(chassis) wire are connected to the uninsulated ground in the SE cable...

I want to move the oven location which may require a spliced additional section of wire for more length. The first question is, does this constitute a new installation? If so, I am assuming this will need to updated to a 4-wire connection (L1,L2,N,G).

If I have to do this, is there any way to preserve the existing 2-wire with ground SE cable? Like building some simple surface raceway and adding an external insulated single neutral?

If the answer is, "don't be a moron" just get rid of the aluminum and open your wallet and install 4-wire copper, I can accept that...

Thanks!

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Old 10-20-2010, 10:18 AM   #2
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Reuse of 2-wire with ground Type SE cable for 4-wire 240 VAC wall oven


You are not a moron, so just follow your own advice and replace the cable. You know it's the right thing to do.

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