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Illustrated Changes to the NEC, 2002 Edition - Part 2

Article 725

Class 1, Class 2, And Class 3 Remote-Control, Signaling, And Power-Limited Circuits

725.6 Mechanical Execution of Work

The text to this section was revised to read:

Class 1, Class 2, and Class 3 circuits must be installed in a neat and workmanlike manner. Cables installed exposed on the surface of ceilings and sidewalls must be supported by the structural components of the building in such a manner that the cable will not be damaged by normal building use. Such cables must be secured to structural components by straps, staples, hangers or similar fittings designed and installed so as not to damage the cable. Figure 725-2

Cables installed parallel to framing members must be protected against physical damage in accordance with 300.4(D). Figure 725-3
Intent: The revised text clarifies that cables must be properly secured and protected from physical damage.

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