MA amendments.
400.5. Revise Table 400.5(A)(3) to read as in the image.
400.12(4). Revise the existing exception as follows:
Exception to (4): Flexible cord and cable shall be permitted to be installed in accordance with 368.56(B) and 590.4. For other applications, where the length of the cord from the supply termination to a suitable tension take-up device is limited to 2.5 m (8 ft), flexible cord shall be permitted to have one connection to the building surface.
400.17. Revise the second paragraph to read as follows: Flexible cords and cables shall be permitted to be installed in raceways not longer than 15 m (50 ft) in length where required to protect the flexible cord or cable from physical damage. The ampacity of the conductors within a raceway shall be adjusted in accordance with Table 400.5(A)(3) based on the total number of current-carrying conductors within the raceway, and then further derated by a factor of 0.8, or the ampacity shall be calculated in accordance with 310.14(B). The raceway shall be exposed over its entire length.
Click here to see the Massachusetts amendments to the 2023 NEC®.
Which of the following is true regarding NEC Table 400.5(A)(3) as amended in Massachusetts?
Please register or sign in for electrical continuing education courses. If you were already signed in, your session probably expired, please sign back in. |