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(a) Infrared heating lamps rated at 300 watts or less shall be permitted with lampholders of the medium-base, unswitched porcelain type or other types approved for the purpose.
(b) Screw shell lampholders shall not be used with infrared lamps over 300 watts rating.
EXCEPTION: Lampholders approved for the purpose.
(c) Lampholders shall be permitted to be connected to any of the branch circuits supplying lighting and/or appliance loads and, in industrial occupancies, shall be permitted to be operated in series on circuits of over 150 volts to ground provided the voltage rating of the lampholders is not less than the circuit voltage.
Each section, panel, or strip carrying a number of infrared lampholders (including the internal wiring of such section, panel, or strip) shall be considered an appliance. The terminal connection block of each such assembly shall be considered an individual outlet.
(Title 24, Part 3, Section 422-15.)
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 of subsection (c) filed 8-27-86; effective thirtieth day thereafter (Register 86, No. 37).