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220v for welder

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220v for welder inspired13 04-10-2007
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Posted by inspired13 on April 10, 2007, 11:46 pm


Hi all:

I am trying to wire a new receptacle to a pre-existing 220v line that
was for
a dryer in my shop- the welder requires a 30 A line which this one is,
and needs
a NEMA 6-50 receptacle. I can see that the dryer receptacle has two
hots ( red and black) and a neutral white- however, i see that the
6-50 needs two hots and a ground.
I am assuming that this means the existing line can still be used with
a few modifications- it is 10/3- .....tape a green indicator on both
ends of the white and make that a ground? is this correct Thanks for
any help-!


Electric Radiant Heat 468x60
Posted by zxcvbob on April 11, 2007, 12:50 am


inspired13 wrote:
> Hi all:
>
> I am trying to wire a new receptacle to a pre-existing 220v line that
> was for
> a dryer in my shop- the welder requires a 30 A line which this one is,
> and needs
> a NEMA 6-50 receptacle. I can see that the dryer receptacle has two
> hots ( red and black) and a neutral white- however, i see that the
> 6-50 needs two hots and a ground.
> I am assuming that this means the existing line can still be used with
> a few modifications- it is 10/3- .....tape a green indicator on both
> ends of the white and make that a ground? is this correct Thanks for
> any help-!
>


Yes, assuming it's wired correctly (to the main panel and not a
subpanel.) But it might be cheaper and easier to put a NEMA 10-30 plug
on the welder.

Bob

Posted by on April 11, 2007, 1:07 am


wrote:

>inspired13 wrote:
>> Hi all:
>>
>> I am trying to wire a new receptacle to a pre-existing 220v line that
>> was for
>> a dryer in my shop- the welder requires a 30 A line which this one is,
>> and needs
>> a NEMA 6-50 receptacle. I can see that the dryer receptacle has two
>> hots ( red and black) and a neutral white- however, i see that the
>> 6-50 needs two hots and a ground.
>> I am assuming that this means the existing line can still be used with
>> a few modifications- it is 10/3- .....tape a green indicator on both
>> ends of the white and make that a ground? is this correct Thanks for
>> any help-!
>>
>
>
>Yes, assuming it's wired correctly (to the main panel and not a
>subpanel.) But it might be cheaper and easier to put a NEMA 10-30 plug
>on the welder.
>
>Bob


That is actually the way I have me welder and pressure washer. It lets
me use it at just about anyone's house.

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