The worker who has the authority to isolate equipment in the facility.

"Danger, Do Not Operate This Equipment"

A worker who has the authority to provide independent verification of isolations applied by the isolator.

Adding Red Tags to an active Red Tag Master

A method, practice, design or action used to physically prevent inadvertent operation of an isolation device.

Can a worker accept (sign on) more than one RTM at a time?

The documented acknowledgment by the worker that he/she is no longer working on the isolated equipment

Isolator and Independent Reviewer has signed onto the Red Tag Master

The act of comparing the facility and/or individual red tags removed from the isolated system with the facility and/or individual location listing to ensure all tags are accounted for

The same as a Lock in LOTO