Dryer has 2 flat and 1 round prong, outlet has 3 flat prongs. Is there an adapter for that? Also do they make a 220v extension cord or a two into one adapter for a 220v?

My baseboard heater is not heating up properly. I took a meter and tested the line and the load side in the heater and in the thermostat. I only have power in the line side (120 volts) but when I tested the load side no power in the baseboard or in the wall coming into the thermostat. Is this...

I want to connect a 220v 3 phase lathe (2hp Baldor motor 2 pole plug with ground) to a 220v 3 wire dryer wall outlet. The lathe plug has black, white and green wires. The dryer outlet is black, white and red. I want to make an extension cord with 12/3 wire, male dryer plug on one end and female...

I just got an arc welder that is 220v 50a. I thought I could plug it into the 220v receptacle in my garage, not realizing how many different types of 220v plugs and amperages there are. The receptacle in my garage turns out to be a 220v 30a dryer plug. My question is can I just change the...