Lockout – Tagout is a safety lock and notice board or tag used in industry, which is considered a safety procedure to ensure proper closing, isolating the power source, and cannot be restarted first. upon completion of maintenance or repair work.
The worker and/or related department holds the key, to ensure that only that person or all relevant personnel can remove the lock and start the machine. This prevents accidental starting of the machine when it is in a hazardous state or when workers are in direct contact with it.
Lockout-tagout is used as a safe method for working with dangerous devices and is required by law in some countries.