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oxford arc welder

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slowcoach:
Hi all, Need a bit of advice, I have been given an old Oxford arc welder and was wondering what type of mains supply cable would be suitable, and what amp breaker should I go for. At the moment its got a 3 pin plug on it, but I reckon if I weld at 100amps this 13amp fuse will blow  :zap:

I'm only thinking of welding upto 6mm plate with 6013 rods.

Cheers
Rob :thumbup:

ieezitin:
Rob.

I cannot help you with the wiring problem but I can tell you that welder will work wonders for you, I had one thirty years ago and back then it was thirty years old, I remember having a job come through our shop where we had to fabricate 1-1/4” thick plate Motor gearbox pedestals for a local steel mill, I welded solid for two weeks with 6MM rod 7018 and didn’t phase the little green machine.

Enjoy your gift.               Anthony.

John Rudd:
My arc welding set is good for 140 amps and has just a 13 amp fuse in the plug..Nothing special...

slowcoach:
Thanks guys  :thumbup:, got it working off a 30amp breaker, wired to a industrial 32A plug and socket. Just got to make a trolley for it now  :dremel:

Rob

slowcoach:
Hi,

I tried welding at 100amps yesterday on the old oxford, but the house 32amp MCB breaker kept tripping  :scratch: The fuse in the workshop did'nt trip (30amp) just the one in the house which supplies the workshop consumer unit, The house consumer unit is RCD, but the RCD does'nt trip just the 32amp MCB. I have 6mm cable going to a blue 240v 32amp plug and socket with suitable cabling to the welder (4 meters of 32amp cable). Do you think changing from a type B to a type C mcb will work?

Any help always appreciated  :thumbup:

Cheers
Rob

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