HVACR UNIT 30 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: The American Wire Gauge rates wires in size from smallest to largest as
Answer:
50 to 0000.
Q: The safest category of electric meters is
Answer:
Category IV.
Q: The types of injury electricity can inflict on a person include
Answer:
Electrical shock and burns.
Q: Three different technicians are working on different parts of the same piece of
equipment. How many locks should be on the disconnect?
Answer:
Three locks-one for each technician
, HVACR UNIT 30 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: To avoid electrical shock, technicians should
Answer:
Make sure they are not grounded and the unit
is grounded.
Q: To receive an injury due to an electrical arc flash
Answer:
Only needs to be standing in the vicinity of
the arc flash.
Q: To reset a tripped circuit breaker, the technician should
Answer:
First turn the breaker off, and then
back on.
Latest 2026 Update
Q: The American Wire Gauge rates wires in size from smallest to largest as
Answer:
50 to 0000.
Q: The safest category of electric meters is
Answer:
Category IV.
Q: The types of injury electricity can inflict on a person include
Answer:
Electrical shock and burns.
Q: Three different technicians are working on different parts of the same piece of
equipment. How many locks should be on the disconnect?
Answer:
Three locks-one for each technician
, HVACR UNIT 30 Questions and Answers with Verified Solutions |
Latest 2026 Update
Q: To avoid electrical shock, technicians should
Answer:
Make sure they are not grounded and the unit
is grounded.
Q: To receive an injury due to an electrical arc flash
Answer:
Only needs to be standing in the vicinity of
the arc flash.
Q: To reset a tripped circuit breaker, the technician should
Answer:
First turn the breaker off, and then
back on.
