Replacement Of Outlet Boxs - Electrical - DIY Chatroom Home Improvement Forum

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Old 11-08-2010, 10:07 AM   #1
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Replacement of outlet boxs

In my home, we have old style two wire outlets, 1964 era
now, I wanted to add the new three wire grounded receptacles through out the house, but, first the person that did the original wiring, cut all
the wires very short, didn't leave much to work with.
Also, they used old style steel boxes, super small cubic inches,
I would like to somehow, remove those old steel boxes, and then put
in the new style Plastic boxes, with lots of room,
How do you do this task ? ? I want to get more wire into the box
to work with, does this mean cutting into the Dry Wall and removing the old box, and installing the new box in a slightly different loaction, to gain
the additional 3 or 4 inches of wire. ? ?
It seems like quite a job, and lots of cosmetic to make things look
correct, do you have any insights to share, ? Thanks PIGEONS
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Old 11-08-2010, 10:49 AM   #2
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You cannot use three wire receptacles if you have 2 wire branch circuits. The wiring must be replaced or a grounding conductor installed in accordance with the NEC guidelines. So, if your cable is only two wire, there is no advantage to gaining extra length on the cables.

They make boxes for this purpose. You might have to do some small wall repairs regardless.

An alternative is the use of GFCI's. This would be my last resort as it is expensive and I personally want three wire receptacles everywhere. If you want more info on the use of GFCI receptacles just let us know and someone can help.
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Old 11-08-2010, 10:52 AM   #3
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If you're not going to properly ground the receptacles by running new wire or just a ground wire, why are you replacing them with grounded ones? If a two-prong receptacle is defective, you can replace it with a new two-prong, but I believe it's technically illegal to replace it with a grounded one. And considering the amount or work that would be involved in changing the boxes, why not just do it right?

If you absolutely must have some grounded receptacles, it'd be a whole lot easier to run some new, grounded circuits.
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