What receptical is needed for Mig Welder and Compressor

[crooklyn]

What receptical do I use for a 220v 30a Mig Welder and compressor?
I ran 3/10wga run for both but not sure on the receptical to use.
To beable to pass the elctrical I will need to have them finished, however I don NOT have a welder or compressor yet. Hopefully in winter when the garage/shop is done.

Once again, thanks!

 

['sallgood]

Way too many variables there. Google 220 receptacle and click "images"
Lincolns and Miller-Hobart(US) generally require this.Wire one in and you can always swap plugs on whatever machinery you purchase.Some call it a dryer receptacle.

 

[wildstyle]

You want a 6-50r receptacle for a welder

 

[wyliesdiesels]

The outlet will need to be rated for the HP of the compressor...

 

[sberry]

The plug above is an old electric range.

 

[Charles (in GA)]

Way too many variables there. Google 220 receptacle and click "images"
Lincolns and Miller-Hobart(US) generally require this.Wire one in and you can always swap plugs on whatever machinery you purchase.Some call it a dryer receptacle.

You DO NOT want this receptacle. It has NO Ground, just a neutral. It is, as noted, and old 3 pin stove/range receptacle.

Did you run three wires (red/white/black, plus a ground?) or two plus a ground?

Inspector most likely won't buy it with a 50 amp receptacle on a 30 amp circuit. I would install any sort of 30 amp receptacle, and be done with it, you can change it out later. If three plus a ground, install a NEMA 14-30. If two wire plus a ground, a NEMA 6-30.

 

[larry4406]

My Lincoln 175 came with a NEMA 6-50P style plug so I installed a NEMA 6-50R receptacle. I used AWG 6 Copper 3 CDR to wire it (stock on hand) and wire nutted the white (not used) at the outlet. At the panel I have a 50A breaker.

Sorry for the rotated outlet picture.

 

[sberry]

The one just above is a welder outlet. They are only motor rated to 3 hp I believe.

 

[sberry]

You DO NOT want this receptacle. It has NO Ground, just a neutral. It is, as noted, and old 3 pin stove/range receptacle.

Did you run three wires (red/white/black, plus a ground?) or two plus a ground?

Inspector most likely won't buy it with a 50 amp receptacle on a 30 amp circuit. I would install any sort of 30 amp receptacle, and be done with it, you can change it out later. If three plus a ground, install a NEMA 14-30. If two wire plus a ground, a NEMA 6-30.

You can use the 50 on a 30 and this is the right way to do it. Don't bastardize your machines and cut the factory ends off. You don't want a breaker bigger than the recept.
Ok, my thread to pick on for the day. The breaker may or may not protect the wire or the recept but the listed equipment may require a max size. As an examole my pressure washer is factory supplied with a 30 end. Everything in it is sized to be allowed on a 30.
The welder is sized to be allowed on a 50A hence the 50A plug to be able to be used on common 50A welder circuits.
the 211 only needs a 14 wire to run it, an older model without the mvp is a better example. You are only required to use a 30A breaker IF you use the minimum 14 wire. Move to a 12 and the breaker can be 50A.

 

[CGT80]

You can use the 50 on a 30 and this is the right way to do it. Don't bastardize your machines and cut the factory ends off. You don't want a breaker bigger than the recept.
Ok, my thread to pick on for the day. The breaker may or may not protect the wire or the recept but the listed equipment may require a max size. As an examole my pressure washer is factory supplied with a 30 end. Everything in it is sized to be allowed on a 30.
The welder is sized to be allowed on a 50A hence the 50A plug to be able to be used on common 50A welder circuits.
the 211 only needs a 14 wire to run it, an older model without the mvp is a better example. You are only required to use a 30A breaker IF you use the minimum 14 wire. Move to a 12 and the breaker can be 50A.

Are you referring to the size of cord used on the machine, and NOT the size wire connected to the breaker?

My miller machines use a 50A250V plug, even the 375 plasma cutter. I agree that it is pointless to cut the factory plug off the machines.

30 amp=10 gauge or bigger
50 amp=8 gauge or bigger

Do welders require the next size wire due to the type of load? I remember reading about that on this forum for either welders or air compressors, but don't remember the details.

 

[wyliesdiesels]

Are you referring to the size of cord used on the machine, and NOT the size wire connected to the breaker?

My miller machines use a 50A250V plug, even the 375 plasma cutter. I agree that it is pointless to cut the factory plug off the machines.

30 amp=10 gauge or bigger
50 amp=8 gauge or bigger

Do welders require the next size wire due to the type of load? I remember reading about that on this forum for either welders or air compressors, but don't remember the details.

Circuits for welders have special rules and requirements. It all depends on the duty cycle rating of the welder...