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?

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 built my own 12x20 workshop and have run 8 AWG wire from the house panel into the workshop panel (complete with buried ground rod at the workshop). At the house I could run my 220 compressor simply using a dual Breaker/pole switch. This only required one wire to each pole and a ground (no...

I am in the process of building and will soon be wiring a detached 20' x 12' shed in my yard. The run from the service at the house to the sub-panel in the shed will be a total of 47 feet(including the vertical portions of the run), so, I'm using 50 feet as a basis. I intend to have the smallest...

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...