Can MC cable be exposed outside?

These cables can be installed either indoors or outdoors and in exposed and concealed locations. They can be direct buried, where identified for such use. They can be installed in a cable tray or in any raceway. The cables can be installed as open runs or as an aerial cable on a messenger wire.

Does MC cable need to be protected?

According to NEC Article 330.30, MC cable must be supported and secured at intervals of 6 feet or less (unless routed through a framing member) and cables containing four or fewer conductors sized no larger than 10 AWG must be secured within 12 inches of every termination.

Can MC cable go through walls?

Quote from the video:
Quote from Youtube video: So the answer is yes we can not a problem number two is not more than 1.8 meters that's six feet in length from the last point of cable support to the point of connection to luminaries.

Can I run MC cable exposed?

Section 330.15 states: Exposed runs of cable, except as provided in 300.11(A), shall closely follow the surface of the building finish or running boards. Exposed runs shall also be permitted to be installed on the underside of joists where supported at each joist and located so as not to be subject to physical damage.

Can MC cable be embedded in concrete?

Type MC cable is available with an outer PVC jacket and is permitted to be installed in parking decks, concrete pours and for direct earth burial if it is identified for such use.

Is MC cable damp rated?

A common style cable that is rated for wet locations is a standard MC Cable with a PVC jacket.

How do I protect my MC cable?

A. Type MC cable installed through or parallel to framing members or furring strips must be protected against physical damage from penetration of screws or nails by maintaining a 1¼ in. separation, or by installing a suitable metal plate in accordance with Sec.

Where is MC cable not allowed?


330 of the NEC mentions that MC cable can be used indoor and outdoor but does not make mention of it being allowed or disallowed for use in damp environments. It does state that when used in wet locations there must be a corrosion-resistant jacket to protect the conductors.

Where is MC cable permitted?

Type MC cables may be installed indoors or outdoors, in wet or dry locations, hazardous locations (Class I, Division I), in cable tray, as aerial cable on a messenger, in any approved raceway, direct burial (where identified), or encased in concrete (where identified).

Can MC cable be exposed in commercial buildings?

MC Cable Permitted Uses

MC Cable, when listed and labeled for use, can be a wiring method in locations such as: Commercial, industrial, and residential/commercial buildings.

Can you run MC cable through drywall?

Armored cable is fine in drywall – indeed, it’s superior to NM cable, and required in many/most commercial occupancies if not using conduit.

Can you use a plastic box with MC cable?

Plastic or fiberglass electrical boxes aren’t designed to be used with MC cable. Even if you’re able to rig up a connection to a plastic box, you will fail the electrical inspection.

Is MC cable waterproof?

The metallic covering is impervious to moisture. A jacket resistant to moisture is provided under the metal covering. The insulated conductors under the metallic covering are listed for use in wet locations.

Is MC cable considered conduit?

Metal-clad (MC) armored cable constructions are a cost-effective alternative to traditional pipe and wire. These high-performing solutions offer significant cost savings by eliminating the need for electrical conduit and the labor required for installation.

Is MC cable grounded?

AC uses a bare aluminum bond wire plus the armor as the ground path, Traditional Type MC Cables utilize a green insulated grounding conductor and the armor is not an approved grounding means. AFC offers MC-Quik® which utilizes a full size bare aluminum bond wire with the armor as an approved grounding means.

Can you pull MC cable through conduit?

Quote from the video:
Quote from Youtube video: MC can be used in both exposed. Or in concealed environments. So a lot of people think well you can't put MC on a wall. And run it down a wall you absolutely can sheetrock doesn't matter what it is it

Can you run MC cable through PVC conduit?

Oh, separately, do not put MC inside of PVC or EMT conduit. This doesn’t make it suitable for wet locations. You can’t take a non-waterproof wire or cable and run it in a conduit to make it waterproof; that’s not allowed.

Can you run armored cable inside conduit?

Moderator. We would never install armored cable in a conduit.