MA amendments.

300.4(D). Delete this subsection.

300.5(A). Add an informational note to this subsection as follows:

Informational Note: Cables suitable for direct burial are often sleeved in various raceways for design reasons. If such cable is installed with sufficient cover for direct burial, then the characteristics of that raceway need not be evaluated. Other rules of this Code that apply to raceways generally may apply. See 300.5(H).

300.5(D). Revise to read as follows:

(D) Protection from Damage. Direct-buried conductors and cables shall be protected from damage in accordance with 300.5(D)(1) through 300.5(D)(4). Buried raceways enclosing service conductors shall additionally meet the requirement in 300.5(D)(3).

300.11(B). Revise this subsection as follows:

I. Delete the second sentence in 300.11(B) which reads: “Support wires and associated fittings that provide secure support and that are installed in addition to the ceiling grid support wires shall be permitted as the sole support.”

II. Revise 300.11(B)(2) to read as follows:

(2) Nonfire-Rated Assemblies. Branch-circuit wiring associated with equipment that is located within, supported by, or secured to a suspended ceiling that is not an integral portion of a fire-rated floor/ceiling or roof/ceiling assembly shall be permitted to be supported by the ceiling support wires.

III. Delete 300.11(B)(2) Exception.

300.17. Add a second paragraph as follows: Where different raceway wiring methods are joined together without a pull point at the transition, there shall not be more than the equivalent of four quarter bends (360 degrees total) between pull points, e.g., conduit bodies and boxes.

Click here to see the Massachusetts amendments to the 2023 NEC^®.