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The fixed wiring methods shall be metal raceways, nonmetallic raceways encased in not less than 2 inches of concrete. Type ALS cable, Type CS cable, mineral-insulated metal-sheathed cable, or Type MC cable.
EXCEPTION: No. 1: Nonmetallic-sheathed cable, Type AC metal-clad cable, and rigid nonmetallic conduit shall be permitted to be installed in those buildings or portions thereof that are not required to be fire rated construction by the applicable building code.
EXCEPTION: No. 2: As provided in Article 76, Sound Recording and Similar Equipment, and for communication circuits, remote control and signaling circuits, and for fire protective signaling circuits.
(Fire rated construction is the fire-resistive classification used in building codes.)
(Title 24, Part 3, Section 518-3.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).
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