I'm replacing a 240v transformer in a split heat/cooling unit. The old trans has 4 prongs 2 load 2 line the new one has two secondary and 4 primary wires what wires do I use for primary?

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...

I have a generator that is used for emergency power. I would like to know if it is reasonably safe to plug into the two 125V outlets, each rated at 20A and combine them into a 240V, 20A circuit to run my water well. I have previously used a long heavy-duty extension cord 12-2 w gr and plugged into...

I have a new water well pump installation at a remote location that runs on 240V. My old portable power generator had a 3-prong receptacle (I just connected the 10ga. 2-wire plus ground lead from the pump to a 3-prong, 30 amp, 240v plug that was supplied with the generator. The pump worked...