The provisions of Article 501 of NFPA 70 are adopted by reference with the following modifications:
1. Revise subsections 501.10(A)(1) and (A)(2) to read:
"(1) General. In Class I, Division 1 locations, the wiring methods in (a) through (c) shall be permitted.
(a) Threaded rigid metal conduit or threaded steel intermediate metal conduit.
(b) Type MI cable terminated with fittings listed for the location. Type MI cable shall be installed and supported in a manner to avoid tensile stress at the termination fittings.
(c) Optical fiber cable Types OFNP, OFCP, OFNR, OFCR, OFNG, OFCG, OFN and OFC shall be permitted to be installed in raceways in accordance with 501.10(A). These optical fiber cables shall be sealed in accordance with 501.15.