Cable

Where is non-armore installed?

Where is non-armore installed?
  1. Where should type AC cable not be used?
  2. Where is Armoured cable used?
  3. Where is cable tray used?
  4. Where are MC cables used?
  5. Where is armored cable not permitted?
  6. How often is non metallic sheathed cable secured?
  7. Can armoured cable be surface mounted?
  8. Can you use armored cable outdoors?
  9. Can I use SWA armour as Earth?
  10. Where do you put a perforated cable tray?
  11. Can a person walk on an installed cable tray system?
  12. How far apart should cable supports be installed?
  13. Can MC cable be surface mounted?
  14. Can MC cable be used in damp locations?
  15. Is MC cable and armored cable?

Where should type AC cable not be used?

320.12 Uses Not Permitted

Type AC cable shall not be used as follows: Where subject to physical damage. In damp or wet locations. In air voids of masonry block or tile walls where such walls are exposed or subject to excessive moisture or dampness.

Where is Armoured cable used?

What is an SWA Armoured Cable? Commonly known as SWA cable, the steel wire armoured cable is a power and auxiliary control cable, designed for use in mains supply electricity. Used for underground systems, cable networks, power networks, outdoor and indoor applications, and cable ducting.

Where is cable tray used?

Cable trays are used as an alternative to open wiring or electrical conduit systems, and are commonly used for cable management in commercial and industrial construction.

Where are MC cables used?

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).

Where is armored cable not permitted?

With lead-covered conductors (Type ACL), the cable can be embedded in masonry or concrete and can be used in damp locations or where exposed to oil. Armored cable is not permitted in locations where it will be subjected to physical damage or corrosive fumes. Armored cable cannot be used for direct burial in earth.

How often is non metallic sheathed cable secured?

NM cable must be supported and secured every 4 ½ ft. and within 12 inches of every outlet box, junction box, cabinet, or fitting. Secure and support. Where nonmetallic cable is installed horizontally through holes or notches in framing members, it is considered supported and not required to be secured.

Can armoured cable be surface mounted?

The cable can be run above ground, so long as it is kept away from anything that may damage the wire. You must also ensure it isn't a tripping hazard. ... If you'll be running the cable underground then you'll need to lift the floor to make enough space and depth.

Can you use armored cable outdoors?

The interlocking metal tape armor Type MC cable is required to have a bare or insulated equipment grounding conductor in addition to any other conductors within the cable. ... These cables can be installed either indoors or outdoors and in exposed and concealed locations.

Can I use SWA armour as Earth?

Armouring: Steel Wire Armour (SWA) used for mechanical protection. That way the cable can withstand higher stresses, be buried directly and used in external or underground projects. The armouring is usually connected to earth and can be used as the CPC (as described above).

Where do you put a perforated cable tray?

Perforated cable tray is a kind of cable tray with holes on bottom sheet and side rails for laying power and signal cables for the purpose of distributing electricity, signaling in industrial plants, department stores, gyms, hospitals, airports and other industries.

Can a person walk on an installed cable tray system?

Question 2: Can a person walk on an installed Cable Tray System? Answer:No; walking on cable trays is not to be permitted. It violates the new version of NEMA standard VE-2, manufacturers marking and recommendations, and the intent of the NFPA70 Electrical Safety in Employee Work Practices.

How far apart should cable supports be installed?

Article 336-18 stated that cable must be secured in place at intervals not exceeding 4.5 feet (1.37 m) and within 12 inches (305 mm) from every cabinet, box, or fitting. In the 1999 NEC1, a change was made to the temporary wiring section.

Can MC cable be surface mounted?

New for the 2017 NEC Code-cycle is section 330.15, entitled “Metal-Clad Cable: Type MC Exposed Work.” This new Code section requires an exposed run of MC Cable to closely follow the surface to which it is mounted while enjoying a new permission that allows the MC cable to be installed on the underside of floor joists.

Can MC cable be used in damp 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.

Is MC cable and armored cable?

MC cable is easier to remember because it's an abbreviation for “metal clad” or “metallic-sheathed cable.” ... Both are essentially just names for armored cable. When fiber is armored, it has a conductive jacket because the material is made from metal, usually aluminum or steel.

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