Type Mc Cable Nec

Cables installed horizontally through wooden or metal framing members are considered.

Type mc cable nec.

Nec 517 health care facilities. 332 6 mineral insulated metal sheathed cable. 328 6 medium voltage cable. Types se and use.

What are the uses not permitted by the nec for metal clad cable type mc. Nec 330 metal clad cable. Type mc exposed work. Type mc cable installed outside of buildings must comply with sec.

Nec 320 armored cable. Of every outlet box junction box cabinet or fitting and at intervals not exceeding 6 ft. All local electrical codes and standards must also be reviewed prior to and during electrical installations to insure conformity to those safety standards which may amend the national electrical code. 4 installed outside of buildings.

There are a number of changes in the 2002 national electrical code nec regarding metal clad type mc cable that should be reviewed before your next electrical project in the 1999 nec article 334 covered type mc cable. Type mc cable with four or less conductors sized no larger than 10 awg must be secured within 12 in. 330 12 1 subject to physical damage. Type mc cable must be supported at intervals not exceeding 6 ft.

Type mc cable can be used to replace wire and conduit in applications such as cable tray power lighting service feeders and branch circuits as permitted by the national electrical code. These redundant ground fault paths provide added safety for hospital and patient care areas. The previous code language in 330 10 note 11 was unclear. 322 6 flat cable assemblies.

Mc luminary cable type mc pcs. Nec 518 assembly occupancies. Types nm nmc and nms. The mc stat cable is a hospital grade cable with two ground fault paths that meet nec 517 requirements for health care applications.

Prior to the 2017 code cycle there was no requirement found in the national electrical code that stated mc cable was to remain in contact with. A clarification was made to the permitted uses of mc cable installed in a wet location. Type mc cable isn t permitted to be used where. However in the 2002 nec type mc cable has been relocated into article 330 until you become familiar with the new location in the nec it may take some searching to find it.

New for the 2017 nec code cycle is section 330 15 entitled metal clad cable.