
Uses Permitted for Metal-Clad Cable (Type MC)
- (1) In branch circuits, feeders, and services
- (2) In power, lighting, control, and signal circuits
- (3) Indoors or outdoors
- (4) Exposed or concealed
- (5) Directly buried (if identified for the purpose)
- (6) In a cable tray
- (7) In a raceway
- (8) As aerial cable on a messenger
- (9) In hazardous locations as permitted in Sec. ...
When is type MC Cable permitted for service entrances?
Type MC cable is permitted for service entrances when installed in accordance with Sec. 230.43. (4) Installed outside of buildings. Type MC cable installed outside of buildings must comply with Sec. 225.10, Sec. 396.10, and Sec. 396.12. Q. What are the uses not permitted by the NEC for metal-clad cable (Type MC)?
Can MCMC cable be used outside?
MC cable can be used inside and outside, in wet locations when specified, and in concealed or non-concealed areas. Advantages of Metal Clad Cable (Why Electricians Love This Stuff!) No need for electrical conduit with indoor applications (since it has its own metal “armor”)
What is MC Cable used for in electrical wiring?
In other words, MC is useful for wiring your main electrical panel from your service head, your sub panel (if applicable) to your main electrical panel, and your individual outlets and lighting circuits from your main electrical panel. MC cable can be used inside and outside, in wet locations when specified, and in concealed or non-concealed areas.
Where do you put MC Cable on a floor?
A. Exposed runs of Type MC cable must closely follow the surface of the building finish or running boards. Type MC cable installed on the bottom of floor or ceiling joists must be secured at every joist and not be subject to physical damage [Sec. 330.15].

Where is MC cable not permitted?
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.
Is MC cable allowed?
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. Environmental Air Plenums, Article 300.22. Hazardous Locations, Article 500.
Is MC cable allowed outdoors?
Type MC Cable without an outside nonmetallic jacket can be installed in an “other space used for environmental air” in accordance with Section 300.22(C). 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.
Is MC cable allowed to be exposed?
A. Exposed runs of Type MC cable must closely follow the surface of the building finish or running boards. Type MC cable installed on the bottom of floor or ceiling joists must be secured at every joist and not be subject to physical damage [Sec. 330.15].
How far can I run MC cable?
6 feetAccording 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.
When should you use MC cable?
1:0527:30WHAT YOU CAN AND CAN'T DO WITH MC CABLE as an electricianYouTubeStart of suggested clipEnd of suggested clipAnd a very specific use for AC. The difference with AC is that there are conductors on the insideMoreAnd a very specific use for AC. The difference with AC is that there are conductors on the inside the equipment grounding conductor. Inside is a really skinny piece of the wire whereas MC has an
Can you use MC cable in wet locations?
General use MC cables cannot be used in wet locations but there are some types of specialty MC cables that can. The most common is the PVC coated, sunlight resistant, direct burial listed MC cable in the image.
Can you run MC cable into a plastic box?
MC Cable Is for Metal Boxes Only! 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.
Can MC cable be run in a damp location?
Options for wet and damp location cable In order to comply with the NEC for use in wet locations, interlocked Type MC Cable must have a corrosion resistant jacket and wet location rated conductors. A common style cable that is rated for wet locations is a standard MC Cable with a PVC jacket.
Does MC cable need to be protected?
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. 300.4(A), (C), and (D) [330.17].
Can you zip tie MC to EMT?
you can tie wire FMC and MC to emt I would think if your going to stap it like that you have chosen a path for your home runs and you have built it in a way that you have planned for the extra weight. If you have a pipe run that just runs from point a to point b with min strapping you can not strap to it.
Does MC cable need to be protected?
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. 300.4(A), (C), and (D) [330.17].
Can MC cable be used in damp locations?
Options for wet and damp location cable In order to comply with the NEC for use in wet locations, interlocked Type MC Cable must have a corrosion resistant jacket and wet location rated conductors. A common style cable that is rated for wet locations is a standard MC Cable with a PVC jacket.
Can Mc be used in wet locations?
General use MC cables cannot be used in wet locations but there are some types of specialty MC cables that can. The most common is the PVC coated, sunlight resistant, direct burial listed MC cable in the image.
Can you use MC cable in garage?
Can MC cable (14-2) be used to wire a residential garage? Article 330 says it can be used as open runs of cable not subject to physical damage. Rather than fish wires through walls, the MC cable would be run exposed to supply electrical outlets. Also, there is no seperate ground wire, just the bonding wire.
What is required to be present over cable?
The revised 2014 code language makes it clear that a corrosion-resistant jacket must be present over the cable and then the 3 conditions apply. Previous wording did not require the corrosion-resistant jacket as a prerequisite to use the 3 conditions.
Can PVC cable be used in a wet location?
PVC coated, sunlight resistant, direct burial rated MC cable can be used in a wet location.
What Is MC Cable Used For?
In other words, MC is useful for wiring your main electrical panel from your service head, your sub panel (if applicable) to your main electrical panel, and your individual outlets and lighting circuits from your main electrical panel. MC cable can be used inside and outside, in wet locations when specified, and in concealed or non-concealed areas.
What is MC wire?
Metal clad cable can be installed for service, feeder, and branch circuitry. In other words, MC is useful for wiring your main electrical panel from your service head, your sub panel (if applicable) to your main electrical panel, and your individual outlets and lighting circuits from your main electrical panel.
Is cable flexible?
Cable is flexible. Cable cuts easily. Many varieties useful for different applications (wet locations where corrosion can take place, direct burial, hospital settings, etc.) Indoor and outdoor use! Permitted in buildings with an unlimited height requirement. Commercial and residential use.
Can MC cable be outside?
The MC Cable itself can be outside but it can't terminate outside as the listed mc connectors say "DRY ONLY".
Is MC cable suitable for outdoor installation?
There is MC cable that is suitable for outdoor/wet installation and so are there suitable connections available. Just gotta find it......
Can MC cable be installed in wet areas?
As far as I am aware (I do not have my White Book here), standard MC cable that is commonly installed is not permitted to be installed in wet or damp locations. Typically we see "Parking Deck" MC cable installed outdoors. This cable has a nonmetallic covering over the metallic sheath. I will look later at the UL White Book, or some manufacturers sites to verify this.
Can MC be used outdoors?
MC can be used outdoors, wet (if conductors so rated), and direct buried (if cable so rated). Click to expand... The insulated conductors under the metallic covering are listed for use in wet locations and a corrosion-resistant jacket is provided over the metallic sheath. Click to expand... Not open for further replies.
What is MCAP cable?
Further expansion. MCAP is a trade name for Southwire. HCF (health care facility) cable is a term that is carried across manufacturers. You must log in or register to reply here.
Where is the equipment grounding conductor located?
The equipment grounding conductor required within all other cable with interlocked armor may be insulated or bare, may be sectioned, and is located in the cable core but not in contact with the armor. Any additional grounding conductors of either design have green insulation.
What is NEC 517 Part 2?
Article 517 of the National Electrical Code (NEC) states that " (NEC 517) Part II applies to patient care space of all health care facilities.”. This has long been the rule for medical facilities, doctors’ offices and such, for those parts of the building where patient care is provided. NEC 517.13 (A) requires that “the metal raceway system, ...
Can flexible wiring be used on critical branches?
Another thing to consider is that HGFC or flexible wiring methods of any type are not allowed for circuits on the Critical or Life Safety branches unless one of the conditions of 517.30 (C) (3) (3) is met.
Does standard MC cable have a ground?
Standard MC Cable does not meet the requirements of 517.13 (A) as the sheath of the standard MC cable is not suitable as an equipment ground. MC All Purpose Cable (MCAP) has an aluminum bond wire in contact with the sheath as mentioned in the guide information that I posted.
