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Electrical

Using a welder on a domestic cooker circuit

Anonymous user 15/03/2024 - 2.39 PM

Hi peeps. I've bought a 13a 240v welder but at above 3/4 power it trips the ring (they all do) and as such it's recommended to run from a 30a+ supply. Our cooker is gas but we have an electric socket there in case we go that way in the future. It's on its own circuit from the main board. Are there any sockets I could screw in in place of the switch plate on the wall? Wife is happier if things look safe, Thanks Iain Thanks for the replys.... I didn't make it clear. At the moment it runs on the standard three pin sockets 13a... But I want to use the spare cooker spur... I need a socket on that that can take the amps, but preferably just wire straight into the existing fitting. I think I'm looking at an ip44 or the like, just trying to avoid chiseling out the wall. Hope that helps They provide them prewired at 13a to avoid certain regulations (common on small welders) but to get the most out of them they really need to run off a 30a circuit. I've a spur up to the cooker, so I can change the plug on the welder to whatever is needed, I'm just looking to see if anyone does a drop in socket for the spur cover. Sorry, I'm struggling to make myself understand. Warranty is unimportant as it's an expected action. Just looking to unscrew the white panel, and replace it with a frontage that has the same footprint and preferably a shallow back. Thank you so much

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2 Answers

Stamp Electrics

Rating: 4.9 out of 5
Boston
Hi because of the surge when welding, what you need to do is change the mcb feeding the cooker at the fuse board, from a 32amp type B, to a 32 amp type D. ( but keep to same model eg if wylex mcb keep to wylex)
Answered19 April 2018
1

County Electrical

Rating: 5 out of 5
Inverness
Your recomendation is that this welder needs a 30a circuit. A ring circuit is rated at either 30a with a fuse or 32a with an MCB. So it won't make any difference to your tripping scenario. Most domestic consumer units have type B MCBs installed. I would recommend replacing the MCB from Type B to a Type C. This alters the tripping characteristics and this should resolve the problem of nuisance tripping. If the welder has been supplied with a standard 13a plug, then this cannot be wired into any other plug or socket arrangement. The 13a fuse is there for a reason and cannot be bypassed. Any modifications will invalidate the warranty. I don't recommend doing what you suggest. You can't wire a 13a appliance into a 30a supply.
Answered20 April 2018
0