For the most part, you are going to see 120 volts, 15 amp, and 20 amp. And 220 2 wire, 3 wire, and four wire types. Please remember not all 220-volt outlets use a neutral (white) wire.
Also, how many receptacles can be on a 220v circuit? Yes, you can run two 220v machines off of one circuit as long as you dont exceed the amperage rating of the breaker. All this assumes you are using the proper breaker size and gauge wire for the circuits. You can have multiple outlets on the same circuit. I have three 220 circuits in my garage.
Furthermore, are all 220 outlets the same?
The Difference Between a 110 and a 220 Outlet Virtually all 110 volt outlets look the same. They have two vertical slots placed side by side, one of which may be larger than the other if the outlet is polarized. There may also be a third semicircular slot forming a triangle with the other two. Its for a ground pin.
What are the different types of plugs?
Plug Types
Plug Type A. The plug type A (or NEMA-1) has two flat live contact pins, which are arranged in parallel at a distance of 12.7 mm.
Plug Type B. The plug type B (or NEMA 5-15, 3 pin) has two flat live contact pins, which are arranged in parallel.
Plug Type D.
Plug Type E.
Plug Type F.
Plug Type G.
Plug Type I.
