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https://www.ecmweb.com/national-electrical-code/qa/article/20888229/code-qa
Type MC cable can be unsupported where the cable is: 1) Fished through concealed spaces in finished buildings or structures, where support is impracticable, or 2) Not more than 6 ft long from the last point of cable support to the point of connection to luminaires or …
https://iaeimagazine.org/magazine/features/vertical-mc-cable-support-in-the-2014-nec/
UL 1569 is the product standard used to list MC cable, and there is no special test in the standard for MC cable used in a vertical installation. Additionally, there are no requirements in the NEC for supporting the conductors inside the cable, unlike the requirements for conductors in raceway.
http://www.cooperindustries.com/content/dam/public/bline/Resources/Library/catalogs/fasteners_and_fixing/spring_steel_fasteners_NA/NECRequirements.pdf
Reprinted with permission from NFPA 70HB14, the National Electrical Code ... for cable support, must be secured at both ends. When independent wires are used in fire-rated assemblies, they must be distinguishable from those wires that are part of the fire-rated assembly.
https://www.ecmag.com/section/systems/review-metal-clad-cable-requirements
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; 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.
https://forums.mikeholt.com/threads/support-of-mc-cable-above-suspended-cieling.89397/
Aug 19, 2011 · The inspector wants individual wire supports hung from the structure and tied off to the grid to support the MC cable. I dont believe I need to do that 300.11 is vague, 300.11.2 is very clear as is the exception...Any thoughts would be appreciated ... We do not have anything in writing to address the NEC issue. Best suggestion is that if the ...
https://www.ecmweb.com/national-electrical-code/qa/article/20903258/stumped-by-the-code-rules-for-supporting-and-securing-metalclad-type-mc-cable
(2) Not more than 6 ft long from the last point of cable support to the point of connection to a luminaire or electrical equipment within an accessible ceiling. For the purposes of this section, Type MC cable fittings are permitted as a means of cable support (Figure).
https://iaeimagazine.org/magazine/features/mc-cable-installations/
Photo 5. Vertical MC cable support. Bends in MC Cable. MC cable has no restrictions on the number of bends. The bending requirement for interlocked armor Type MC cable is “seven times the external diameter of the metallic sheath” as stated in Section 334-11(b) of the NEC.
https://allstarce.com/wp-content/uploads/2016/12/2017-NEC-Code-Ch-3-Article-300-2.pdf
NEC 2017 Code Changes Chapter 3 - Wiring Methods and Materials Changes from the 2014 code are highlighted in yellow. ... , Type MC cable, Type MI cable, nonmetallic-sheathed cable, or other cables, a box or conduit body shall be installed at each conductor ... Steel wire armor cable shall be supported at the top of the riser with a cable support
https://www.eaton.com/us/en-us/catalog/support-systems/cable-support-fasteners.html
Eaton B-Line series cable support fasteners are used to support metal clad cables (MC), armored cables (AC), non-metallic cables and flexible conduit in new or retrofit commercial construction. These rigid cable support fasteners are used when supporting cable on …
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