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murrs187 06-07-2012 10:16 PM

My first project question(s)
Thanks everyone in advance for your help. I just bought a condo and I am going to install an over the range microwave. It appears the previous owners wired the microwave directly to the 3 wires coming out of the wall (white, black and bare).
My first question is should I wire the microwave the same way or should I install a receptacle? Second what will I need to buy in order to install the receptacle? I believe the micro is on its own circuit.
Sorry for the lack of terminology as this is really my first time doing home repairs. I am an automotive technician so I am familiar with AC electrical, not so much with DC.
Jack Myers

nealtw 06-08-2012 07:19 AM

I have seen it all in a box, at a big box store. All you need is a box a plug and a cover.
Check first that the wire is copper, black to brass screw white to silver, bare to ground green.

murrs187 06-08-2012 07:23 AM

Thanks for the quick reply. I'll be headed to the store after work. Thanks again

JoeD 06-08-2012 07:31 AM

It really depends on the new MW. If it has a plug on it then install a receptacle in the cabinet above to plug it in.
If no plug then hard wire it like the old one.

nealtw 06-08-2012 07:53 AM

If Joe is right and you hard wire, it will want to be done in a junction box with a cover.

JoeD 06-08-2012 10:43 AM

Unless the MW has a built in junction box. Then bring the cable into the box on the MW, clamp it and make the connections.

kok328 06-08-2012 04:22 PM

I am an automotive technician so I am familiar with AC electrical, not so much with DC.

Automotive is DC not AC.

murrs187 06-08-2012 04:57 PM

Thanks kok for the correction

CallMeVilla 06-09-2012 11:14 AM

Hard wiring from the original wire is acceptable. You are dealing with what is probably NB-2 wire which has a ground wire (the bare wire). Your new MW should have an internal box where you can fish the house wire and clamp it in place.

Simply attach the like-colors to each other, using a yellow wire nut. Twist clockwise until it is firm but do not over-tighten as it might snap the wire. I like to wrap each wire connection with a length of electrician tape to ensure long term stability. The ground wire can be twisted without a wire nut but it should be attached to the green screw that is inside the MW (check instructions).

This is nto rocket science -- but it is electricity. Work carefully and systematically. You will do fine.

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