As summarized, I'd like to run a 240 volt motor with 3 prong twistlock plug off my Generator that has a 240V 4 prong twistlock outlet, Have purchased a 4 prong dryer plug & cord. Not sure what function the extra lead performs, any help is greatly appreciated, Thanks...

How do I make an extension cord from my 4 prong 240 twist generator outlet to a 3 prong 240 outlet for my radial arm saw?

I have a 240 volt, single phase, 3 wire, 10 amp, 60 hz battery charging system for a small electric car but have no 240 volt outlet. I do however have a 120 volt outlet. How can I change the 120 volt outlet to accommodate the 240 volts? I know I will have to get a new outlet, but I am asking about...

I understand that it is possbile to wire a 120 volt outlet from a 240 volt outlet. My 240 volt outlet has 3 wires in, white, black, and a ground. Do I wire the 120 volt outlet from the either wire and the ground? My voltage meter indicates that connection is 120 volts. Is there any down side to...

We've switched to a central air conditioning system and no longer need the 240 volt outlet by the dining room window. The house was built in 1928, updated in 1957, and again a couple of ad hoc times thereafter. The wiring is at times very old, brand new or somewhat old. My guess is that the 240...