Questions tagged [240]

4 questions
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Where are the two pole CAFCI/GFCI breakers?

Why aren't there very many (any?) two pole dual function breakers? Is a GFCI + CAFCI breaker less useful for 220 or MWBC? Is it be prohibitively expensive? Or is there no demand because not many want to "go the extra mile"? Note: I'm not asking…
Matt Thomas
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3 prong plug to 4 prong outlet adapter? (Welder outlet)

It seems really easy to find the opposite (how to plug a 4 prong plug into a 3 hole outlet) but I actually need the reverse (I need to plug a 3 prong plug into a 4 hole outlet) and not sure if it even exists. I have this welder:…
DA01
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Can I make a new ground pipe at an outdoor appliance instead of running a separate ground wire?

I have two legs of my 240 V appliance and the neutral wire, but no ground wire available, but plenty of room for burying a ground pipe and strap. Can I just drive another ground pipe at the location of the appliance and use it like that? If the…
mark
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240v in with 240 and 120 out of a timer?

We just got our pool up. Opened the salt generator packaging and it is a 220/240v appliance, our pump is 115v with a pre installed plug. They need to be on the same timer. I have read until my head hurts… Does anyone know if I can run 240 into a…