Question

question 2
25 points
if it can be demonstrated that tagging procedures will provide a level of safety equivalent to that obtained by the use of a lock, a tage may be used without a lock as long as...
a only one circuit or piece of equipment is de - energized
b employees exposed to the hazards associated with re - energizing the circuit are familiar with the procedure and the lockout period does not extend beyond the work shift.
c at least one additional safety measure that provides a level of safety equivalent to that obtained by the use of a lock is used.
d all of the above

Explanation:

When using a tag without a lock, it's crucial that employees know the re - energizing procedure and the lockout period is within the work shift. Also, only one circuit or equipment de - energized and an extra equivalent safety measure are requirements. So all the conditions (A, B, C) must be met.

Answer:

D. all of the above