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.

• In the country where it is made they say the wiring is A hot B neutral C Ground for 220Volt.
• My electrical guy is coming to wire 10/3 A hot (110) B Hot (110) =220V and C Ground on a dual pole breaker will the dual pole breaker Supply one 220v one neutral?
• I understand the ground part. I Am lost with the instructions and need some help.
• This new system is about 4K and runs at 5200Watts. To return it because of problems will be costly plus transportation fees.

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

• The voltage for this equipment must be fully identified because there are several power configurations.
• Here are some examples of electrical power here in the USA at  industrial and some commercial buildings: 120/240, 277/480 volt. With these two examples 120 and 277 volts are circuits consisting of one hot wire, one neutral, and the ground wire of different power systems.
• Our 220-240 volt system is typically two hot wires out of phase, and in rare exceptions a 220 volt stinger leg is used in some commercial and industrial applications for motor loads. It would be best to positively identify the power specification for this equipment before connecting it to any circuit.

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Home Electrical Wiring and Electrical Repairs Please Note: Unless otherwise posted, please refer to the following Guidelines when working on Electrical Projects: Skill Level: Intermediate to Advanced - Electrical Repairs and Circuit Wiring is Best Performed by a Certified Electrician or Licensed Electrical Contractor. Electrical Tools Required: Basic Electricians Pouch of Hand Tools, a Voltage Tester and a Multi Meter. Estimated Time: Depends on personal level experience, ability to work with tools, work with electrical wiring, and the available access to the project area. Precaution: Identify the project circuit, turn it OFF and Tag it with a Note before working with the wiring. Important: Modifying existing electrical circuits or installing additional electrical wiring should be done according to local and National Electrical Codes, with a permit and be inspected.

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