This information is provided free of charge by the Department of Industrial Relations from its web site at 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

Subchapter 5. Electrical Safety Orders
Group 1. Low-Voltage Electrical Safety Orders
Article 76. Sound Recording and Similar Equipment

Return to index
New query

§2564.6. Grouping of Conductors.

Conductors of different systems grouped in the same conduit or other metal enclosure or in portable cords or cables shall comply with (a) through (c) below.

(a) Power-Supply Conductors. Power-supply conductors shall be properly identified and shall be used solely for supplying power to the equipment to which the other conductors are connected.

(b) Leads to Motor Generator or Rotary Converter. Input leads to a motor generator or rotary converter shall be run separately from the output leads.

(c) Conductor Insulation. The conductors shall be insulated individually, or collectively in groups, by insulation at least equivalent to that on the power supply and other conductors.

EXCEPTION: Where the power supply and other conductors are separated by a lead sheath or other continuous metallic covering.

(Title 24, Part 3, Section 640-6.)

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).

Go BackGo Back to Article 76 Table of Contents