Electrician Red Seal · Question
An electrician is responsible for installing wiring to a newly constructed detached garage on a residential property. The garage will have a subpanel. The feeder conductors from the main service panel in the house to the garage subpanel must include what type of conductor, as a minimum, according to the Canadian Electrical Code (CEC)?
CEC Rule 20-502(1) requires that a separate feeder to a detached building must consist of a minimum of two ungrounded (phase) conductors, one neutral conductor,
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: An electrician is responsible for installing wiring to a newly constructed detached garage on a residential property. The garage will have a subpanel. The feeder conductors from the main service panel in the house to the garage subpanel must include what type of conductor, as a minimum, according to the Canadian Electrical Code (CEC)?
Answer options:
- Two ungrounded (phase) conductors and one neutral conductor. ✅ Two ungrounded (phase) conductors, one neutral conductor, and one bonding (ground) conductor.
- Two ungrounded (phase) conductors only.
- Two ungrounded (phase) conductors, one neutral conductor, and one separate grounding electrode conductor.
Correct answer: Two ungrounded (phase) conductors, one neutral conductor, and one bonding (ground) conductor.
Explanation: CEC Rule 20-502(1) requires that a separate feeder to a detached building must consist of a minimum of two ungrounded (phase) conductors, one neutral conductor, and one bonding (ground) conductor. This ensures proper system grounding and bonding between the two buildings for safety.
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
More about Electrician Red Seal
Related Questions
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
- A Red Seal electrician is setting up temporary power for a construction site. The main temporary service is a
- A new industrial facility requires a 600 V, three-phase, 150 A feeder to supply a motor control centre. The co
More for Electrician Red Seal candidates
Practice tests
Question explanations
- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
- What is the minimum working space depth required in front of an electrical panel rated 200 A, 120/240 V, locat
Ready to practice?
Free, no signup required. Build a wrong-question list as you go.
Start Free Electrician Red Seal Practice →Related courses
Other Canadian certifications candidates often prepare for alongside this one.