309A Canadian Electrical Code 2

Question 1

What does CEC Rule 4-004 address regarding conductor ampacity?

Accepted Answer

Ampacity tables and correction factors

Answer

Voltage drop calculations

Answer

Wire colour coding

Answer

Conductor material specifications

Question 2

According to the CEC, what is the maximum permitted voltage drop from the service entrance to the furthest outlet?

Accepted Answer

5%

Answer

3%

Answer

8%

Answer

10%

Question 3

Under the CEC, what minimum clearance is required between a service mast and a window that opens?

Accepted Answer

1000 mm

Answer

300 mm

Answer

600 mm

Answer

900 mm

Question 4

What type of bonding conductor does the CEC require to connect the metal water piping system to the electrical grounding system?

Accepted Answer

No. 6 AWG copper

Answer

No. 4 AWG copper

Answer

No. 8 AWG copper

Answer

No. 10 AWG copper

Question 5

According to the CEC, what is the minimum size of copper grounding conductor for a 200 A residential service?

Accepted Answer

No. 2 AWG

Answer

No. 4 AWG

Answer

No. 1/0 AWG

Answer

No. 2/0 AWG

Question 6

What does CEC Section 64 specifically cover?

Accepted Answer

Swimming pools and hot tubs

Answer

Renewable energy systems

Answer

Electric vehicle charging

Answer

Data centres