A 30 Amp plug has three wires, one for hot wire, one for neutral wire and one for a ground wire. A 50amp plug has four wires, two hot wires, a neutral wire and a ground wire.A 30 Amp plug has three wires, one for hot wire, one for neutral wire

What is 30 amps in volts?

A 30-amp outlet supplies 3,600 watts (30 amps multiplied by 120 volts).

Whats the difference between 20-amp and 30 amp?

The difference between the 20a and 30a is the plug. If you have a standard polarized plug with two vertical prongs and one ground prong get the 20a. If your outlet has one vertical and one horizontal prong with the grounding prong get the 30a.

What is the current in 220v?

When 220v wiring is used, less current is required than with 110v wiring. Power is measured in watts. Thus, to achieve 900 watts of power, 4.1 amps would be required with 220v wiring, whereas approximately 8.2 amps would be required with 110v wiring.