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P&H TR180 Stick Welder


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  #1  
Old 05-31-2019, 02:33:57 PM
e7howie e7howie is offline
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Default P&H TR180 Stick Welder

I have an old (50s - 60s)P&H 180 amp stick welder that works like a champ. I have two questions: 1 - I would like to replace the power cord with a 25 foot one. What gauge wire should I use? 2nd - The machine says it draws 37 amps. What size breaker should I connect it to (30 or 40 amp)? Thank you in advance.
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Old 05-31-2019, 05:50:08 PM
Ken Karrow Ken Karrow is offline
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Default Re: P&h tr180

If it were me #8 or #6 copper wire, 50 amp breaker. At 25 ft I'd lean to #6 unless you are planning very intermittent use as in small duty cycle.
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Old 05-31-2019, 08:12:42 PM
Vanman Vanman is offline
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Default Re: P&H TR180 Stick Welder

Another factor is the duty cycle of the machine. Many are as low as 20% on the highest setting, in which case a 40 amp breaker and #8 cord would be fine.

That said, a 50 amp socket is pretty well universal for welders. My mig only takes 22 amps, but has a 50 amp plug on it. The cord is probably #10 or 12.

Rather than replace the cord on the welder itself, you can make up a 50 amp extension cord using #6 cable. Then you can use it for other (future?) machines as well. And don't need to bother with it at all when the extra length is not needed.

Keith
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Old 05-31-2019, 10:21:29 PM
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ulgydog56 ulgydog56 is offline
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Default Re: P&H TR180 Stick Welder

I,m at 40 amp breaker, closer to spec. 8 for copper 6 for alum wire....
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