Question 1
What is the main reason for using a torque screwdriver or wrench on terminal lugs?
Question 2
When tightening terminals on a circuit breaker, what is the best practice?
Question 3
Why is it important to torque terminal screws to the manufacturer's specified value?
Question 4
Which tool is most appropriate for tightening a lug on a panelboard to the manufacturer's specified torque?
Question 5
Which maintenance action is most effective at reducing nuisance tripping due to loose terminations in a panelboard?
Question 6
Why is it important to tighten terminal screws on breakers and devices to the manufacturer's specified torque?
Question 7
Why is it important to torque terminations in a panelboard to the manufacturer's specified values?
Question 8
A panelboard has a label specifying torque values for breaker lugs. Why is it important to follow these values when terminating conductors?
Question 9
Which tool is most appropriate for tightening a lug on a main breaker to the manufacturer's specified torque?
Question 10
Why do many manufacturers specify that terminations on circuit breakers and lugs be tightened using a torque screwdriver or wrench?
Question 11
Which hand tool is MOST appropriate for stripping insulation from copper conductors without damaging the wire?
Question 12
When terminating copper THHN conductors on a circuit breaker, what is the MOST important practice to ensure a reliable connection?
Question 13
When tightening lugs on a panelboard feeder, how should the electrician determine the proper torque?
Question 14
Which type of screwdriver is designed with a square-shaped tip to provide superior torque and prevent cam-out (slipping)?
Question 15
Why might a torque screwdriver or torque wrench be required when terminating conductors on certain lugs and breakers?
Question 16
According to NEC Article 110, terminations must be torqued to:
Question 17
Which tool is best suited for tightening wire terminations to a specific manufacturer's specification?