• Thank you @photojim and @dbr and @pdlouche. I do value the slapstick elements of DIY more than the safety, I must say. I'm a member of my local Hackspace so I'm considering loaning it to them for a while because they have some beefy power supply (might be 415V?) BUT they say they have no extraction, which is a pain.

    A 32A circuit will be priority no. 1 once I move house though. "Yes, sorry dear, the PVC windows will have to wait until 2021 I'm afraid."

    I'm tempted to buy a smaller 240V inverter TIG machine to be getting on with.

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