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This information is provided free of charge by the Department of Industrial Relations from its web site at www.dir.ca.gov. These regulations are for the convenience of the user and no representation or warranty is made that the information is current or accurate. See full disclaimer at https://www.dir.ca.gov/od_pub/disclaimer.html.
 
Subchapter 5. Electrical Safety Orders
Group 2. High-Voltage Electrical Safety Orders
Article 18. Conductors

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§2816. Insulation.


(a) Conductors shall be insulated, except where uninsulated conductors are specifically permitted by these orders, and shall have a voltage rating not less than the operating voltage of the circuit.
(b) The conductor insulation shall be of a type that is approved for the voltage, operating temperature, and location of use.
(1) Wet Locations. Conductors installed in wet locations either above or below ground shall be moisture-resistant or of a type approved for use under wet conditions.
(2) Corrosive Conditions. Conductors exposed to oils, greases, vapors, gases, fumes, liquids, or other substances having a deleterious effect upon the conductor or the insulation shall be of a type approved for the use.
(c) Distinguishable. Insulated conductors shall be distinguishable by appropriate color or other suitable means as being grounded conductors, ungrounded conductors, or equipment grounding conductors.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
HISTORY
1. Editorial correction filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, N. 1).
3. Amendment of section and Note filed 4-1-2009; operative 4-1-2009. Submitted to OAL for printing only pursuant to Labor Code section 142.3 (Register 2009, No. 14).

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