https://www.assp.org/standards/standards-topics/lockout-tagout-and-alternative-methods-z244-1
ANSI / ASSP Z244.1 Lockout, Tagout Standard | ASSP
The ANSI/ASSP Z244.1 standard establishes requirements for controlling hazardous energy through lockout/tagout measures and alternative methods.
lockout tagoutansiasspstandard