Lengthen existing 12 gauge wiring

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Old 05-11-14, 12:38 PM
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Lengthen existing 12 gauge wiring

Just bought new baseboard heaters which are more efficient but shorter than the older units. Problem is that the 12 gauge wiring was cut to length for the old units. Can I splice onto the existing wire and nut/tape to get the length I need? really hoping I can as I don't want to have to start tearing walls out to replace the whole line.
 
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Old 05-11-14, 12:57 PM
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You can use nuts to make a splice...but the connection has to be in an accessible box. You can't bury it in a wall.
 
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Old 05-11-14, 01:02 PM
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Actually there is an electrical outlet 2 feet from the heater. I could splice and tuck inside the box correct?
 
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Old 05-11-14, 01:14 PM
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Actually there is an electrical outlet 2 feet from the heater. I could splice and tuck inside the box correct?
Not really. You don't know what is in there but it is 120v. Now you want to run two #12 cables with 240v into the same box..... not a great idea.

You can use a cut in gem box where the old heater was and then extend from there.
 
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Old 05-11-14, 01:27 PM
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What would be the best way to keep it accessible but concealed? Baseboard over the gem box?
 
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Old 05-11-14, 01:39 PM
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Under baseboard is not considered accessible. Why not a cut in gem box with a blank wall plate.

I'm guessing..... no basement below to work thru.
 
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