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-   -   Wiring NEMA 6-50R (http://www.diychatroom.com/f18/wiring-nema-6-50r-141967/)

MisterSteve 04-29-2012 09:57 AM

Wiring NEMA 6-50R
 
I know this is beating a dead horse but I feel like I need some clarification. I will be installing a NEMA 6-50R Receptacle for a welder in my garage and I have figured out that I will not need the neutral from reading other posts here. But do I need to ground the receptacle box? I am using a metal Raco box.

itsnotrequired 04-29-2012 10:01 AM

are you running a new cable with an equipment grounding conductor? if so, ground the metal box the receptacle is located in.

MisterSteve 04-29-2012 10:09 AM

Yes, new cable, 6/3 NM. So if the ground is connected to the receptacle, how do I go about grounding the box?

Jim Port 04-29-2012 10:15 AM

The box should have a tapped hole for a 10-32 screw.

MisterSteve 04-29-2012 10:21 AM

Yep, I stuck a green ground screw in it. Do I then wirenut two pieces of bare #10? to the cable ground and attach one to the box and one to the receptacle?

itsnotrequired 04-29-2012 10:37 AM

Quote:

Originally Posted by MisterSteve (Post 910112)
Yep, I stuck a green ground screw in it. Do I then wirenut two pieces of bare #10? to the cable ground and attach one to the box and one to the receptacle?

install a pigtail on the receptacle and a pigtail on the box ground. wirenut the two pigtails with the ground in the cable. done.

MisterSteve 04-29-2012 10:41 AM

Got it. Duh. Thanks.

Speedy Petey 04-29-2012 02:31 PM

Leave the ground long, wrap it around the screw, then on to the receptacle. NO need for splicing.

kbsparky 04-29-2012 08:29 PM

You only need a 6/2 cable for a welder outlet. The neutral wire would not be used if you installed a 6/3.


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