Question 31
What is the primary purpose of a lockout/tagout device on an electrical disconnect?
Question 32
Before working on a circuit that has been de-energized at the panel, what is the FIRST safety step you should take?
Question 33
What is the main purpose of lockout/tagout procedures?
Question 34
What is the main purpose of a lock and tag on a disconnecting means?
Question 35
Before beginning work on an electrical circuit that has been de-energized, what is the FIRST step after opening the disconnecting means?
Question 36
According to good safety practice, what should an electrician do before working on an electrical panel that has been de-energized at the breaker?
Question 37
What is the main purpose of lockout/tagout procedures for electrical equipment?
Question 38
An electrician needs to lock out a 600 V motor starter for maintenance. Which action is essential to meet proper lockout/tagout requirements?
Question 39
What is the primary purpose of using a lockout device and tag on a disconnecting means?
Question 40
A lighting circuit in a commercial building must be de-energized for maintenance, but it feeds multiple rooms. What is the best way to clearly indicate the circuit has been locked out by the worker?
Question 41
Before drilling holes in a concrete wall to run conduit, which piece of personal protective equipment (PPE) is most important to protect your eyes from flying debris?
Question 42
What is the primary purpose of a lockout/tagout device when servicing an electrical circuit?
Question 43
When preparing to work on a de-energized panelboard, which action should you perform immediately after opening the disconnecting means?
Question 44
Before beginning work on a circuit that has been de-energized, which safety step must the electrician perform?
Question 45
Which instrument is most appropriate to confirm that a circuit is de-energized before touching conductors?
Question 46
On an industrial site, several trades are working on the same motor control centre (MCC). What is the safest lockout procedure when an electrician must de-energize a feeder breaker supplying a motor circuit?
Question 47
Why is a lockout/tagout procedure used before working on electrical equipment?
Question 48
A continuity tester is used on a de-energized circuit to:
Question 49
When using a fish tape in a conduit, what is an important safety precaution?
Question 50
When locking out a 3-phase motor circuit for maintenance, which practice is most appropriate?
Question 51
Which sequence best describes a safe lockout/tagout procedure before working inside an electrical panel?
Question 52
Before working on a branch circuit in a panelboard, what is the FIRST step an electrician should take?
Question 53
Before working on a motor circuit that has been de-energized, what is the proper lockout/tagout sequence?
Question 54
During lockout/tagout of a motor circuit, which action is MOST important immediately after applying the lock and tag to the disconnecting means?
Question 55
What is the primary purpose of lockout/tagout when servicing electrical equipment?
Question 56
Before working inside an energized panel that will be de-energized for maintenance, what is the first step of a proper lockout/tagout procedure?
Question 57
When preparing to service a main distribution panel in a commercial building, what is the correct sequence among these steps?
Question 58
Before replacing a lighting contactor, the most appropriate first step is to:
Question 59
When applying lockout tagout to work on a motor control center bucket, which sequence is most appropriate?
Question 60
Before working inside an energized panel that can be de-energized, what is the first safety step an apprentice should take?