Procedures must be put in place for the removal of the lock should the person not be available. Isolation Procedures Isolation of electrical circuits is a basic safety procedure which protects workers and equipment. This means that the power is turned off and isolated at the transmission source so that the equipment cannot be operated. Isolation procedures must include a warning to all worker sthat the equipment is being worked on and must not be operated. Serious injuries have resulted from workers being caught in machinery during maintenance work, where isolation procedures were inadequate or not followed.
Employers have a legal responsibility to provide a safe system of work.
It is the employer's responsibility to assess the risks and decide which isolation systems and procedures are required in your workplace. Systems and procedures will vary between workplaces. Lock Out and Tagging procedures are examples of safe work practices. For example, moving parts, electricity or toxic substances. Procedures must be put in place for the removal of the tag should the person not be available.