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Miller TBolt 225 AC Plug

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Old 01-08-2009, 12:08:24 AM
evilleshepherd evilleshepherd is offline
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Default Miller TBolt 225 AC Plug

Hi all, I bought an older Miller Thunderbolt 225 buzz box at a farm auction for $70. It's a style (U-1-A-2). I can't find a serial or model number. It sets horizontally with the amp adjust. crank on the front instead of the top. My garage 220V service is fed from the house with only 12Ga. wire from (2) 20A fuses and I seriously doubt this can carry the welder load. Just inside the walkout basement door at the house I have a 50A stove recepticle. I'm pretty sure I can plug it in there if I swap out the the plug on the welder to a 50A plug but I wanted you guys to weigh in on this? Also, does anyone have any idea what model this is and how old it may be by the 'type' number 'U-1-A-2'? Thanks for any input.
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Old 01-08-2009, 11:34:01 AM
Dave R Dave R is offline
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Default Re: Miller TBolt 225 AC Plug

The number 12 20 amp wireing definately wont be big enough. If the stove outlet is wired and fused for 50 amps at 230 volts thaen that ought to work fine.
Dave R
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Old 01-31-2009, 06:08:52 PM
Holland501 Holland501 is offline
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Default Re: Miller TBolt 225 AC Plug

I agree with DaveR about the electrical stuff, but I would change out the outlet to match the welder and leave the plug on the machine alone. If the outlet is still in use for a stove, make a short adaptor cord. Anytime you start cutting up the input cord, you could raise the resistance, causing the connection to heat up. Just my $.02
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Old 02-01-2009, 10:02:40 AM
Nitesky Nitesky is offline
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Default Re: Miller TBolt 225 AC Plug

I have an AC/DC Canox Sparkler (Thunderbolt in red) with the amp adjust on top. You will like yours a lot better. Less sh** gets in from grinding.
Mine has never tripped the 40A breaker it is powered by and I have used it cranked to the limit in both ranges on occasion.
Would be good to change or add to the plug. The next welder would automatically fit
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