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wiring for welder

indyjps

Well-known member
Joined
Apr 16, 2005
Messages
109
Location
Oswego ILL
moved to new house and want to purchase and hook up welder. 200 amp service is in garage with plenty of open slots. looking @ 220 millers and or hobart welders. on wiring what size breaker and wiring is required, i may have a friend come over and do final hook up but id like to run wire myself to save him the trouble.
also will be running electric outlets down both walls, is 12 ga sufficient and what size breaker for 8-10 outlets, the outlets wont all be used @ once but you can never have too many. ill have an air compressor hooked into one
thanks for the guidance and assistance in preventing me from burning the house down.
 
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byrdman

Well-known member
Joined
Jan 15, 2005
Messages
308
Location
NC
I've planned for a similar welder. The manual for the millermatic 210 calls for #10, max 89 feet run. I've run 8/2 with ground for mine, which was probably a 20' run at the most. Haven't put a breaker in yet. (check out section 4-12 in that manual for breaker recommendations)

You've got 200A service, go crazy now so you don't have to later. I've got 4 120v circuits for receptacles in a 28x35 shop. I used 12/3 with ground and alternated circuits every other receptacle. (just in case one area seems to get heavy use) Max 4 outlets per 20A circuit breaker. I did 4 receptacles per box instead of 2.
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TOO Z MAXX

Well-known member
Joined
Feb 6, 2005
Messages
54
Location
Stockton, Ca.
I would run #8 wire to the welder. That is good for 50 amps. If the welder requires a 30 amp service then use a 30 amp breaker.
As far as the outlets go. Use #12 wire and 20 amp breakers for each outlet circuit you run. I wouyld run a minimum of 2 20 amp circuits for the outlets. 3 would be ideal.
 
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indyjps

Well-known member
Joined
Apr 16, 2005
Messages
109
Location
Oswego ILL
thanks for the help guys, ill have to run the wire outside the drywall, since it was already drywalled when i got it.
like the osb on the walls, the last garage i built i ran osb lengthwise down the walls, this way i could just unscrew it if i ever needed to get in and change things up. i actualy did have to pull the osb off when my dad took the garage over and had it wired for his wood tools, planer and lathe.
 
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