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220 Volt Circuit for Equipment From Another Country

Circuit Requirements for Foreign Electrical Equipment: Here are some examples of electrical power here in the USA at industrial and some commercial buildings.

Wiring Foreign Electrical Equipment

Electrical Question: I have a system coming from another country that is 220volt single phase.

This electrical wiring question came from: David, a Homeowner from Utah.

Additional Comments: The website looks Great but I have not found a diagram about foreign electronics single phase 220volt on USA dual electric system.

Dave’s Reply:
Thanks for your electrical wiring question David.

220Volt Wiring Foreign Electrical Equipment

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3 Responses to “220 Volt Circuit for Equipment From Another Country”
  1. Dave Rongey says:

    Hi John,
    Actually there are several voltage configurations, it depends on the specific application or power source. Here in the USA one power conductor wire of a single circuit may have 120, 240, or 277 volts – again, that is on just One Wire measured to ground or neutral. So it really depends on the power source and the application or what will be connected, and this is what matters most, that’s why I recommend to start with the end in mind so we can wire it right.

  2. John Force says:

    I think china uses 220v singe wire. Like our 120v hot, neutral and ground. you can’t interchange.

  3. Max says:

    I have the same questions, but none of the links in the answer really help. The problem is with the show since it has A (Black – Hot), B (White – Neutral), & C (Green – Ground) wires. Should we hook the extra Red-Hot to the shower’s B (White – Neutral) to get 220V??