Article 330 Metal-Clad Cable: Type MC

Author: Shirley

May. 13, 2024




Article 330 Metal-Clad Cable: Type MC

Horizontal runs of Type MC cable installed in wooden or metal framing members or similar supporting means shall be considered supported and secured where such support does not exceed 1.8 m (6 ft) intervals.

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Unless otherwise permitted in this Code, cables shall be supported at intervals not exceeding 1.8 m (6 ft).

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MC Cable Used Outdoors

Can anyone tell me if the attached picture looks code compliant. This is at a NJ Shore resort town 300ft from the beach. The installer states that it is code compliant. This work was completed after the building was constructed. It uses MC cable and normal connectors. NEC 2014 330.10(A)(3) allows the use of MC cable outdoors, but 330.10(A)(11) states if used in wet locations must have a corrosion resistant jacket over the metal jacket. Im confident the installer used landscapers and not electricians for the installation. There were (3) photocells in the white boxes for conrol of exterior lighting. the residents wanted the lights on a timer is why the installation was changed.

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