DIYbanter - 2 prong plug made into working 3 prong plug?

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November 17th 10 12:47 AM

2 prong plug made into working 3 prong plug?

On Tue, 16 Nov 2010 10:19:17 -0700, Robert Neville
wrote:

"hr(bob) " wrote:

On Nov 16, 10:31=A0am, wrote:
I have some power equipment that needs a new cord.
The current cord has only 2 prongs.
Can I buy a 3 prong power cord and just attach the ground to the case
of the power tool? =A0Is this what the 3rd prong does?
Would this make is safer?

Does a GFCI also work on a power tool with just 2 prongs?

Thanks
Bonnie

Yes and Yes

IIRC, most power tools with two prog plugs are double insulated. That means
grounding the case doesn't buy you much.
Depends on how old the power tool is.
If it has a polarized plug it is almost certainly double insulated.
If it has a metal case the ground will make it safer - double
insulated tools as a general rule do not have metal cases.

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