electrical

I just installed a lift in my workshop, the lift needs 220v power supply and has 2 hots/1 ground. I have a 4 wire 220 plug in the shop, wondering if I can wire a 4 wire plug to the

2024 Mar 12

What size wire for 20 amp 220V 80''

I am running an electrical line for an a/c unit 220 it calls for 20 amp breaker about 15'' underground and the rest overhead in conduit 80'' total. My question is what size wire

2024 May 20

electrical

When I bought my baseboard heaters, thermostats and 220V breakers I was advised to get 12/3 wire. When I attempted to install the heaters I found that the thermostats,

2025 Jul 26

How to Switch Power Between 2 Devices Using 1 Power Source

I have a line already which can support up to 25A 2 pole (in breaker panel) I have 2 devices, each rated 220/240V 2-pole. However, at any given time only 1 I need to run.

2024 Jul 29

Confusion over 220 and 230 volt outlets

Rule of thumb for home appliances: 220, 230, 240, it''s all close enough not to worry about the difference. There''s a good chance the actual voltage on your outlet is somewhere in

2024 Dec 09

20 amp, 220v, 2 pole GFCI Breaker

Do I need a neutral white wire to install a 220v GFCI breaker in the main panel ? Currently have 220v, 2 pole red hot, black hot and green ground in the circuit running pool

2025 Jun 20

electrical

220-240v in the U.S. is 2 legs of a single phase. The 2 legs come off the transformer and have a center tap (the neutral) each leg to neutral is 120v or 240 leg to leg.

2024 Feb 25

Sub panel 3 wire and 220Volts

The 2 hots to a 30 amp 220-volt breaker in the sub-panel. The sub-panel would never have 110 volts or anything using a neutral and would not have a neutral bus.

2026 Feb 13

receptacle

Tricked by a 220 volt outlet hack job How can I figure out why this electrical receptacle is dead? Is it okay to run a switched and unswitched hot on the same neutral? How can I connect a 120V

2024 Mar 22

no 240 across breaker but 120 separately but dead one side I house

The test would to check phase to phase on the incoming if it were 220 great and the output of the fuses was 0 one of the fuses was blown. The blown one could be determined

2024 Jun 30

View/Download 220 to 5v inverter [PDF]

PDF version includes complete article with source references. Suitable for printing and offline reading.