Tag-Out

Question 1

If an energy-isolating device is capable of being locked, use a lock to
prevent ….

Answer 1

Energization, startup, or the release of hazardous energy before any servicing is started.

Question 2

What do you do if an energy-isolating device is not capable of being locked?

Answer 2

Use the Tags-plus system

Question 3

What are examples of energy-isolating devices?

Answer 3

• A manually operated electrical circuit breaker.

• An electrically operated circuit breaker or contactor, as long as the
control circuit power is tagged out by pulling fuses and any closing
spring is discharged.

• A disconnect switch.

• A manually operated switch by which the conductors of a circuit can be disconnected from all ungrounded supply conductors and no pole can be operated independently.

• The following types of valves: globe, gate, ball, butterfly, gagged
relief, and handwheel-closed stop check valves.

• Any similar device used to block or isolate energy.

Question 4

To identify a lock…

Answer 4

Attach a danger tag to the lock itself