Lockout is required and used as a control measure to keep a worker safe, and electrical safe work practices need to be respected and followed prior to servicing or maintenance on electrical panels.

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.

NFPA 70E provides a terse directive on employee involvement. It says, “Each person who could be exposed directly or indirectly to a source of electrical energy shall be involved in the lockout/tagout ...

Lockout is required and used as a control measure to keep a worker safe, and electrical safe work practices need to be respected and followed prior to servicing or maintenance on electrical panels.

Lockout is required and used as a control measure to keep a worker safe, and electrical safe work practices need to be respected and followed prior to servicing or maintenance on electrical panels.