The provisions of Article 516 of NFPA 70 are adopted by reference with the following modifications:
1. Revise subsection 516.7(A) to read:
"Wiring. All fixed wiring above the Class I and II locations shall be in metal raceways; where cables are used, they shall be Type MI or Type TC. Cellular metal floor raceways shall only be permitted to supply ceiling outlets or as extensions to the area below the floor of a Class I or II location. Where cellular metal floor raceways are used, they shall not have connections leading into or passing through the Class I or II location unless suitable seals are provided."
2. Revise subsection 516.38(A) to read:
"Wiring. All fixed wiring above the Class I and II locations shall be in metal raceways; where cables are used, they shall be Type MI or Type TC cable. Cellular metal floor raceways shall only be permitted to supply ceiling outlets or as extensions to the area below the floor of a Class I or II location. Where cellular metal raceways are used, they shall not have connections leading into or passing through the Class I or II location unless suitable seals are provided."