Question 1
In Canadian residential wiring, what type of cable is commonly used for branch circuits in dry, protected locations such as inside finished walls?
Question 2
Which American Wire Gauge (AWG) size has the largest conductor diameter?
Question 3
In a typical Canadian residential cable assembly, what colour insulation is commonly used to identify the neutral conductor in 120 V circuits?
Question 4
Which cable type is commonly used for dry, indoor residential wiring in wood-frame construction in Canada?
Question 5
Which practice is acceptable when using an extension cord on a construction site?
Question 6
What is the main function of a fish tape in electrical work?
Question 7
Which cable type is most commonly used for non-metallic sheathed cable in residential wood-frame construction in Canada?
Question 8
Before drilling into a finished wall to install surface raceway, what is the safest action?
Question 9
Which cable type is commonly used for low-voltage thermostat wiring in residential HVAC systems?
Question 10
A lighting circuit is limited to 1500 VA. If each luminaire is rated at 150 VA, what is the maximum number of luminaires that can be connected to this circuit?
Question 11
Which conductor colour is most commonly used to identify the grounded (neutral) conductor in Canadian wiring?
Question 12
What is the unit of electrical resistance?
Question 13
Which cable type is commonly used for exposed residential wiring in dry locations, run through wood studs and joists?
Question 14
A residential panelboard directory is missing and circuits are unlabelled. What is the most appropriate action?
Question 15
You are installing NMD90 cable in a wood-frame dwelling wall. What is the minimum practice to protect the cable from damage where it passes through studs near the face of the stud?
Question 16
Which colour is commonly used for the identified (neutral) conductor in Canadian residential cable?
Question 17
Which conductor is permitted to be bare in typical Canadian residential cable?
Question 18
When installing non-metallic sheathed cable through wood framing, what is one key requirement to protect the cable from physical damage?
Question 19
During troubleshooting of a lighting circuit, you measure 120 V between hot and neutral but the fixture does not light. What is the MOST logical next check?
Question 20
You are installing NMD90 cable across wood studs in a basement wall. Which method of support is most appropriate?
Question 21
A luminaire will not operate, but voltage is present at the switch and the lamp is known to be good. Which is the most logical next check?
Question 22
Which conduit type is most appropriate for exposed indoor runs in a commercial building where mechanical protection is required?
Question 23
Which wiring method is most commonly used for general branch circuits in wood-frame residential construction in Canada?
Question 24
You are troubleshooting a lighting circuit where some fixtures are dim while others on the same circuit are normal brightness. Which is the most likely cause?
Question 25
Which wiring method is typically acceptable for exposed indoor runs in a dry commercial area where physical damage is not severe?
Question 26
A receptacle is not working, but the breaker is on and other loads on the circuit operate normally. Which is the most logical next troubleshooting step?
Question 27
When running nonmetallic-sheathed cable through factory-punched holes in metal studs, what additional protection is typically required at the openings?
Question 28
Which residential wiring method is commonly used for branch circuits run through wood framing in dry locations?
Question 29
Which wiring method is commonly used for branch circuits run inside wood-framed dwelling unit walls in the United States?
Question 30
A standard duplex receptacle in a dwelling has two different colored screw terminals on the side. To which terminal should the neutral (grounded) conductor be connected?