In accordance with Art. 800, optical fiber and communications cables shall be permitted to be installed in the same raceway, cable tray, enclosure, or cable routing assembly with all but which one of the options listed below?

  1. Optical fiber and communications cables can be installed with any cable as long the insulation type for all cables is the same.
  2. Communications cables can be installed with nonconductive and conductive optical fiber cables in compliance with Parts I and IV of Art. 770
  3. Optical fiber and communications cables can be installed with community antenna television and radio distribution systems in compliance with Parts I and IV of Art. 820
  4. Optical fiber and communications cables can be installed with low-power and network-powered broadband communications circuits in compliance with Parts I and IV of Art. 830.


Answer: A

As noted in Section 800.133(A)(1)(a), options B, C and D shown above are all permitted by the Code.

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at necexpert@aol.com.