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 http://www.dir.ca.gov/od_pub/disclaimer.html.
Subchapter 5. Electrical Safety Orders
Group 1. Low-Voltage Electrical Safety Orders
Article 2. Administration
(a) These Low-Voltage Electrical Safety Orders apply to all electrical installations and electrical equipment operating or intended to operate on systems of 600 volts, nominal, or less and to all work performed directly on or in proximity to such electrical installations, equipment or systems in all places of employment in the State of California as defined in Labor Code Section 6303.
(1) These Orders do not apply to:
(A) Installations or conductors and equipment in ships, watercraft, railway rolling stock, aircraft, or automotive vehicles other than mobile homes and recreational vehicles.
(B) Installations of conductors and equipment in vehicles, operating at less than 50 volts or to their ignition system, unless otherwise specified.
(C) Installations of conductors, equipment, and associated enclosures subject to the jurisdiction of the California Public Utilities Commission, that are owned, operated and maintained by an electric, communication or electric railway utility.
Exception: No. 1. These orders apply to conduit, vaults, and other like enclosures containing the conductors and equipment of such a utility when located indoors on premises not used exclusively for utility purposes, but do not apply to the utilities conductors and the equipment therein.
Exception: No. 2. Article 3, Work Procedures, apply to all work performed by electric utilities.
(b) Extent of application.
(1) Requirements applicable to all installations.
The following requirements apply to all electrical installations and utilization equipment, regardless of when they were designed or installed:
Sec. 2340.2 - Examination, Installation, and Use of Equipment.
Sec. 2340.8 - Insulation Integrity.
Sec. 2340.9 - Interrupting Rating.
Sec. 2340.10 - Circuit Impedance and Other Characteristics.
Sec. 2340.11 - Deteriorating Agents.
Sec. 2340.12 - Mechanical Execution of Work.
Sec. 2340.13 - Mounting and Cooling of Equipment.
Sec. 2340.14(c) - Electrical Connections - Splices.
Sec. 2340.17 - Guarding of Energized Parts.
Sec. 2340.18 - Arcing Parts.
Sec. 2340.21 - Marking.
Sec. 2340.22(a)-(d) - Identification of Equipment.
Sec. 2350.2 - Use and Identification of Grounded and Grounding Conductors - General.
Sec. 2390.1 - Overcurrent Protection - General.
Sec. 2390.24 - Location.
Sec. 2390.41 - Arcing or Suddenly Moving Parts.
Sec. 2395.3(a) - Grounding - Direct Current Systems.
Sec. 2395.5 - Grounding - Alternating-Current - Circuits and Systems to Be Grounded.
Sec. 2395.23 - Grounding Connections.
Sec. 2395.42(a)-(d) - Equipment Fastened in Place or Connected by Permanent Wiring Methods (Fixed).
Sec. 2395.44 - Nonelectrical Equipment.
Sec. 2395.45 - Equipment Connected by Cord and Plug (without exceptions).
Sec. 2395.51 - Effective Grounding.
Sec. 2395.57 - Equipment Fastened in Place or Connected by Permanent Wiring Methods (Fixed) -Grounding.
Sec. 2500.7 - Flexible Cords and Cables - Uses Permitted.
Sec. 2500.8 - Flexible Cords and Cables - Uses Not Permitted.
Sec. 2500.9 - Splices.
Sec. 2500.10 - Pull at Joints and Terminals.
Sec. 2500.11 - In Show Windows and Show Cases.
Article 59. Hazardous (Classified) Locations - except as specified in Section 2540.2(a) Documentation.
(2) Requirements applicable to installations made after March 15, 1972.
Every electrical installation and all utilization equipment installed or overhauled after March 15, 1972, shall comply with the provisions of these Safety Orders, except as noted in Sections 2305.2(b)(3) and (b)(4) of this Article.
(3) Requirements applicable only to installations made after April 16, 1981. The following requirements apply only to electrical installations and utilization equipment installed after April 16, 1981:
Sec. 2390.81(b) - Circuit Breakers.
Sec. 2390.81(c) - Circuit Breakers.
Sec. 2562.6 - Elevators, Dumbwaiters, Escalators, Moving Walks, Wheelchair Lifts, and Stairway Chair Lifts - Interconnection Between Multicar Controllers.
Article 78 - Electrically Driven or Controlled Irrigation Machines
Sec. 2569.51 - Fountains.
Sec. 2585.2 - Class 1, Class 2, and Class 3 remote control, signaling, and power-limited circuits-Marking.
Article 86 - Fire Alarm Systems
(4) Requirements applicable only to installations made after May 5, 2008.
The following requirements apply only to electrical installations and utilization equipment installed after May 5, 2008:
Sec. 2340.16(d)(1) - Work Space About Electric Equipment.
Sec. 2340.16(g) - Work Space About Electric Equipment.
Sec. 2340.22(e) - Identification of Equipment - Capable of Accepting a Lock.
Sec. 2340.22(f) - Identification of Equipment - Marking for Series Combination Ratings.
Sec. 2360.1 - Identification of Multiwire Branch Circuits.
Sec. 2360.3 - Ground-Fault Circuit Interrupter Protection for Personnel - General Industry.
Sec. 2395.6 - Portable and Vehicle-Mounted Generators.
Sec. 2480.7(b) - Connection of Switches.
Sec. 2480.9(b) - Snap Switches.
Sec. 2560.2(c) - Electric Signs and Outline Lighting -Disconnecting Means.
Sec. 2562.2(c) - Elevators, Dumbwaiters, Escalators, Moving Walks, Wheelchair Lifts, and Stairway Chair Lifts - Disconnecting Means - Operation.
Sec. 2562.2(d) - Elevators, Dumbwaiters, Escalators, Moving Walks, Wheelchair Lifts, and Stairway Chair Lifts - Disconnecting Means - Location.
Sec. 2562.3 - Identification and Signs.
Sec. 2562.4 - Single-Car and Multi-Car Installations.
2569.5(c) - Swimming Pools, Fountains, and Similar Installations - Receptacles.
Sec. 2571.30 - Emergency Power Systems - Signs.
Article 84. Carnivals, Circuses, Fairs, and Similar Events
Sec. 2585.3 - Class 1, Class 2, and Class 3 Remote Control, Signaling, and Power-Limited Circuits - Separation From Conductors of Other Circuits.
Article 88. Solar Photovoltaic Systems
(c) Regulations herein which may affect Building Standards apply to all building, or building alteration, or building modification for which construction is commenced after the effective date of the regulations. Date of commencement of construction for the purpose of this Section, shall be:
(1) The advertising date for invitation of bids for State and local government projects;
(2) The building construction permit issuance date for other than government projects.
(d) For installation requirements not specifically contained herein, installations in compliance with CCR, Title 24, Part 3, California Electrical Code, in effect at the time of construction, will be considered as complying with the intent of these orders.
(e) Nothing contained in these regulations shall be considered as abrogating the provisions relating to public safety of any ordinance, rule or regulation of any governmental agency, providing such local ordinance, rule or regulation does not lessen the provisions for safety contained in these regulations.
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. Repealer and new subsections (a) and (d) filed 3-31-78; effective thirtieth
day thereafter (Register 78, No. 13).
2. Editorial correction of subsections (a), (c) and NOTE filed 11-2-83
(Register 83, No. 45).
3. Amendment of subsections (a) and (d) filed 8-27-86; effective thirtieth day
thereafter (Register 86, No. 37).
4. Amendment of section and Note filed 5-5-2008; operative 5-5-2008. Submitted
to OAL for printing only pursuant to Labor Code 142.3(a)(3) (Register 2008,
5. Amendment of subsection (b)(4) filed 4-6-2010; operative 5-6-2010 (Register
2010, No. 15).
Go Back to Article 2 Table of Contents