It is a common practice to lockout and/or tagout control devices. In a nuclear power plant’s control room with its many analog controls, you might (for example) see red covers over specific switches.

It is the policy of Michigan Technological University that all equipment be locked out during servicing and/or maintenance work to protect against accidental or inadvertent activation which could ...

The provisions of the Lockout/Tagout Program shall apply to all personnel at Purdue University’s West Lafayette Campus and Regional Campuses, University Research Farms and Agricultural Centers, and ...