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(a) Resistors and reactors shall not be installed in close enough proximity to combustible materials to constitute a fire hazard and in no case closer than within 1 foot of combustible materials.
(b) Clearances from resistors and reactors to grounded surfaces shall be adequate for the voltage involved. See Article 9.
(c) Metallic enclosures of reactors and adjacent metal parts shall be installed so that the temperature rise from induced circulating currents will not be hazardous to personnel or constitute a fire hazard.
(d) Resistors and reactors shall be protected against physical damage.
(e) Resistors and reactors shall be isolated by enclosure or elevation to protect personnel from accidental contact with energized parts.
(Title 24, Part 3, Section 470-18.)
NOTE: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18953(c), Health and Safety Code.
1. Editorial correction including renumbering of former Article 79 to Article 30 filed 11-2-83 (Register 83, No. 45).