Could someone tell me how many amps 500 MCM AL and 600 MCM AL is rated for? Also, what size conduit do you think I'll need for 3 runs of 500 or 600? Never worked with or bought this size wire before, so trying to better prepare myself when going to pick up our materials. Thanks!

I've noticed there are some checks by names that say rated.What does this rating mean, who does it and why.

I just ordered a Frigidaire room air conditioner to replace a Gibson Air Conditioner which has died. The outlet the Gibson is pluged into has three prongs one round prong and the othe two are flat. The breaker in the box says 20 amps and only operates the Gibson air conditioner. My question is...

Hello to all, I am new to this forum, please excuse me if this question has been answered. I just bought a Thermal Dynamics Plasma cutter. It has a Nema 50-P plug end on it, which I assume is to be plugged into a Nema 50-R outlet. In looking in my reference book, this is a 3 wire...