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Installing MC Cable for Home Wiring

How to Install MC Cable for Electrical Circuit Wiring – MC cable is required to be installed in some locations for home electrical wiring and is often used when wiring outlets and lighting circuits. The installation of MC Cable must be according to applicable codes including the following guidelines.


Methods for Installing MC Cable

Electrical Question: When running MC cable inside the wall going from box to box does it need tied down?

This electrical question came from: Tony, a Electrician from Irvine, CA
See more about Electrical Wiring for California

Additional Comments: Very good website – very helpful.

Dave’s Reply:
Thanks for your electrical question Tony.

How to Install MC Cable for Electrical Circuit Wiring

Skill Level: Intermediate to Advanced
Tools Required: Electricians Pouch of Hand Tools for Rough-In Wiring, Electric Drill and Auger Bits and Extension Cord.
Estimated Time: Depends on the extent of the project, the type of construction and available access to the project area..
Precaution: Any existing wiring in the immediate area that may interfere with the installation should be identified and turned OFF and Tagged.
Notice: Installing additional electrical wiring should be done with a permit and be inspected.

MC cable is required to be installed in some locations for home electrical wiring and is often used when wiring outlets and lighting circuits. The installation of MC Cable must be according to applicable codes including the following guidelines:

  • MC cable needs to be supported as follows:
    • The same as when running Romex wiring.
    • Secured or supported every 4 feet 6 inches.
    • Secured with 8 inches of the box.
    • Insert insulated bushing sleeves at each end of the cable.

The Following will assist you with your electrical question:

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This link is helpful as a Electrician
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Be Careful and Be Safe - Never Work on Energized Circuits!
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