Question 1
Which test instrument is used to trace a circuit breaker without turning off the power?
Question 2
Which test instrument traces a breaker without turning off power?
Question 3
An electrician is performing an insulation resistance test (megger) on a new feeder. A reading of 0 Ohms indicates which of the following?
Question 4
An electrician is performing an insulation resistance test (megger) on a new 600V feeder. A reading of 'zero' ohms typically indicates which condition?
Question 5
What is the primary reason for performing an insulation resistance test on newly installed cables before energizing?
Question 6
A receptacle tester shows reverse polarity on a 125 V receptacle. What wiring error is most likely present?
Question 7
When testing a GFCI receptacle with a plug-in tester, pressing the test button creates a low-impedance path between which two conductors?
Question 8
What must be done to a capacitor before testing it with a multimeter?
Question 9
Identify the proper procedure for testing a 120V outlet for correct polarity.
Question 10
When testing a switch that is turned OFF with a voltmeter, what reading do you expect across the switch terminals (Line to Load)?
Question 11
You test a fuse with a continuity tester (removed from circuit). The tester shows 'OL' (Open Loop). What is the condition of the fuse?
Question 12
In a 120V circuit, what voltage should you measure between Neutral and Ground at a receptacle under normal conditions?