What is the OSHA requirement for breaker locks?
Exclusive for Safety – must be used for safety alone and not interfere with the normal intended operation of the circuit breaker or switch.
Durable – must be able to withstand exposure to weather conditions or wet and damp environments in the industrial workplace.
Standardized– locks must be standardized according to color, shape, or size.
Substantial – the lock must not simply be subverted or removed while in use to prevent access by non-authorized personnel.
Identifiable– must be able to identify the employee who applied them.