Electrician Red Seal · Question
An electrician is installing a new 30 A branch circuit for an electric water heater in a basement. The circuit conductors will be copper NMD90 cable. What is the minimum size of the insulated bonding conductor required for this circuit if it's supplied by a 2-pole, 30 A overcurrent device?
CE Code Table 16 specifies bonding conductor sizes based on the rating of the overcurrent device. For a 30 A overcurrent device, a No. 10 AWG copper bonding con
Start free practice for Electrician Red Seal
150 questions · no signup required · 40 free questions per day
Question: An electrician is installing a new 30 A branch circuit for an electric water heater in a basement. The circuit conductors will be copper NMD90 cable. What is the minimum size of the insulated bonding conductor required for this circuit if it's supplied by a 2-pole, 30 A overcurrent device?
Answer options:
- No. 14 AWG
- No. 12 AWG ✅ No. 10 AWG
- No. 8 AWG
Correct answer: No. 10 AWG
Explanation: CE Code Table 16 specifies bonding conductor sizes based on the rating of the overcurrent device. For a 30 A overcurrent device, a No. 10 AWG copper bonding conductor is the minimum required size.
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.