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

Explanation:

Lockout/Tagout is a safety - procedure that locks the device and/or power source to prevent accidental startup during maintenance. A shutdown just turns off the power but doesn't prevent unauthorized re - energization.

Answer:

B. Lockout/Tagout