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 2. High-Voltage Electrical Safety Orders
Article 28. Rotating Machinery and Its Control Apparatus (Formerly Article 77)
The provisions of this article apply to any rotating machine with normal rated operating voltages in excess of 600 volts between conductors or conductors to ground and to the circuits and control apparatus directly associated with such a machine.
TYPICAL MOTOR BRANCH CIRCUIT DIAGRAM
TYPICAL GENERATOR CIRCUIT DIAGRAM
<General Materials (GM) - References, Annotations, or Tables>
| || Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code. || |
1. Editorial correction including renumbering of former Article 77 to Article
28 filed 11-2-83 (Register 83, No. 45).
2. Amendment filed 12-10-87; operative 1-9-88 (Register 88, No. 1).
3. Change without regulatory effect providing more legible version of Diagrams
2880(a) and 2880(b) filed 11-6-2008 pursuant to
section 100, title 1,California Code of Regulations (Register 2008, No. 45).
4. Amendment 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).
Go Back to Article 28 Table of Contents