Question

this is an essential safety procedure that protects workers from injury while working on or near electrical circuits and equipment by locking the device and/or power source to prevent anyone from turning on the hazardous power sources while someone is performing maintenance or servicing work: select the best option. shutdown lockout/tagout closeout if you need to review this content, it can be found in the protection against electrical hazards module of the avoiding electrocution hazards topic.

Explanation:

Lockout/Tagout is a safety procedure that locks a device or power source and tags it to prevent unauthorized activation during maintenance or servicing to protect workers from electrical - related injuries. Shutdown just stops the operation without the locking - tagging aspect, and closeout is related to finishing a project or task, not this specific safety procedure.

Answer:

B. Lockout/Tagout