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wiring home generator and transfer switch wiring a 220 volt range cord outlet Wiring for GFCI Outlets Wiring Outlets and a Switched Outlet Wiring and Installing Ceiling Fans and Remote Controls wire dimmer switch wiring diagrams for switches wiring a dryer cord and 220 outlet circuit breaker panel
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Wiring a 3Phase Air Conditioner


home electrical wiring
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Summary:Electrical Wiring Question:
On a 3 phase wire system, does it matter what the orientation of the BLACK, RED and BLUE is when hooking up an industrial AC unit?


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You provide a lot of helpful information. Great job & thank you. Robert from St. Sauveur, Quebec, Canada

How to Wire a 3 Phase AC Unit


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Electrical Troubleshooting Question:
On a 3 phase wire system, does it matter what the orientation of the BLACK, RED and BLUE is when hooking up an industrial AC unit?
And if so can it make the compressor run backwards?
Thanks, Chad.


Hi Chad - Great Electrical Repair Question!

3 Phase Electric Motor Wiring and Motor Rotation
When connecting any motor to 3 phase power you could find that the rotation is wrong, and if it is all you have to do is shut off the power and swap any two lines of the 3 phase power and this will change the rotation.

If you need to have the rotation correct the first time then simply get a phase rotation meter that can be used to see what the rotation is before you connect to the equipment.

IMPORTANT: Be very careful when working with 3-phase power.

Be Careful and Be Safe - Never Work on Energized Circuits!



Electrical Wiring Video #2


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