Cal. Code Regs. tit. 8, § 4190
(b) All control buttons and switches for power operated presses shall be color coded to conform to the following code:
Start, run, or inch
--
Black, green, silver or other similar metallic color
Emergency stop
--
Red
Cycle Stop or Auto Stop
--
Yellow or red
Note: Authority cited: Section 142.3, Labor Code. Reference: Section 142.3, Labor Code.
1. New subsections (4) and (38) and renumbering of subsections (5) through (50) filed 7-17-75; effective thirtieth day thereafter (Register 75, No. 29).
2. Repealer and new section filed 11-17-82; effective thirtieth day thereafter (Register 82, No. 47).