California Code of Regulations (Last Updated: August 6, 2014) |
Title 8. Industrial Relations |
Division 1. Department of Industrial Relations |
Chapter 4. Division of Industrial Safety |
Subchapter 5. Electrical Safety Orders |
Group 2. High-Voltage Electrical Safety Orders |
Article 20. Interrupting and Isolating Devices |
§ 2837. Ratings.
Latest version.
- (a) The continuous current rating of a circuit breaker shall equal or exceed the maximum continuous current at the point of installation.(b) The interrupting rating of a circuit breaker shall equal or exceed the maximum fault current the circuit breaker will be required to interrupt, including contributions from all connected sources of energy.(c) The closing rating of a circuit breaker shall equal or exceed the maximum asymmetrical fault current into which the circuit breaker can be closed.(d) The momentary rating of a circuit breaker shall equal or exceed the maximum asymmetrical fault current at the point of installation.(e) The rated maximum voltage of a circuit breaker shall equal or exceed the maximum circuit voltage.(Title 24, Part 3, Section 710-21(a)(5)-(a)(9).)HISTORY1. Editorial correction including renumbering of former Article 70 to Article 21 filed 11-2-83 (Register 83, No. 45).2. Removal of article 21 heading 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).
Note
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code; and Section 18943(c), Health and Safety Code.