Alberta Electrician Apprenticeship Certification Exam (Red Seal) Practice (Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A| Instant Download Pdf

Alberta Electrician Apprenticeship Certification
Exam (Red Seal) Practice (Questions And Correct
Answers (Verified Answers) Plus Rationales 2026
Q&A| Instant Download Pdf


1. What is the maximum number of conductors permitted in a ½-inch
g g g g g g g g g g


EMT before derating must be considered?
g g g g g g




A. 2g


B. 3g


C. 4g


D. 5g


Rationale: Derating begins when more than 3 current-carrying conductors
g g g g g g g g


are in a raceway; 4 triggers derating calculations.
g g g g g g g g




2. What is the synchronous speed of a 4-pole motor operating on 60 Hz?
g g g g g g g g g g g g




A. 600 RPM g


B. 900 RPM g


C. 1800 RPM g


D. 3600 RPM g


Rationale: Ns = 120 × frequency / poles = 120× = 1800 RPM.
g g g g g g g g g g g g g g




3. Which device is used to prevent a motor from restarting after a power
g g g g g g g g g g g g


loss until manually reset?
g g g g




A. Contactor
B. Manual reset overload relay g g g

,C. Reversing starter g


D. Fusible disconnect g


Rationale: Manual reset overloads require user action after trip.
g g g g g g g g




4. What is the purpose of bonding?
g g g g g




A. To reduce power consumption
g g g


B. To enhance phase balance
g g g


C. To ensure metal parts remain at ground potential
g g g g g g g


D. To increase impedance
g g


Rationale: Bonding equalizes potential and enables fault clearing.
g g g g g g g




5. A 15 A circuit supplying only lighting outlets must use what minimum
g g g g g g g g g g g


conductor size?
g g




A. #14 AWG aluminum
g g


B. #16 AWG copper
g g


C. #14 AWG copper
g g


D. #12 AWG copper
g g


Rationale: CEC minimum for 15 A branch circuit is #14 Cu.
g g g g g g g g g g




6. What happens to resistance when conductor temperature increases?
g g g g g g g




A. Decreases
B. Stays the same g g


C. Increases
D. Becomes zero g


Rationale: Copper resistance rises with temperature.
g g g g g




7. Which transformer connection provides a stable neutral without a
g g g g g g g g


centre tap?
g g

, A. Delta-delta
B. Wye-wye
C. Open delta g


D. Delta-wye
Rationale: Wye secondary provides neutral point naturally.
g g g g g g




8. What is the minimum height for a receptacle installed outdoors in a
g g g g g g g g g g g


residential area?
g g




A. 300 mm g


B. Not less than 1 m above finished grade
g g g g g g g


C. 600 mm g


D. No minimum
g


Rationale: CEC requires outdoor receptacles at least 1 m above grade.
g g g g g g g g g g




9. Which type of breaker is commonly used for motor protection?
g g g g g g g g g




A. Standard thermal-magnetic g


B. Inverse-time breaker g


C. Air breaker
g


D. Insulated-case breaker g


Rationale: Inverse-time breakers match motor starting characteristics.
g g g g g g




10. What is the main function of a capacitor in a single-phase motor?
g g g g g g g g g g g




A. Cool the motor
g g


B. Reduce voltage drop g g


C. Create phase shift for starting torque
g g g g g


D. Control speed g


Rationale: Capacitors produce phase displacement to start the motor.
g g g g g g g g