Branch Circuits

Question 1

What is the default termination temperature rating for equipment rated at not more than 100A if not marked?

Answer 1

60 ºC

Rule 4-006 (2)(a)

Question 2

Which recptacles in a dwelling do not require arc fault protection?

Answer 2

Bathroom, Fridge, Counter, Island, Penisular Counter, Sump Pump*

Rule 26-656 (1)

Question 3

What is the maximum distance a #12 AWG NMD90 cable can go when fed from a 20A overcurrent? Or where in the CEC do you find the answer?

Answer 3

50m

Table 68

Question 4

What is the max number of outlets that can be placed on a 2-wire branch circuit?

Answer 4

12

Rule 8-304 (1)

Question 5

Two seperate built in cooking units installed in a dwelling unit shall be permitted to be considered as one range.

True or False?

Answer 5

True

Rule 8-300 (2)

Question 6

What is the default termination temperature rating for equipment rated at more than 100A if not marked?

Answer 6

75 ºC

Rule 4-006 (2)(b)

Question 7

How many 15A Branch Circuits are required for receptacles in a single dwelling with twenty-five 5-15R outlets?

Answer 7

3

8-304 (1,2,3)

Question 8

A single dwelling’s calculated load is 119A. The single dwelling is heated by a central electric furnace.

Where in the CEC do you look to determine how many panelboard branch circuit positions must be provided?

Answer 8

8-108 (1)(b)

Question 9

A 36A load which only runs for 45mins every hour shall be considered continuous.

True or False?

Answer 9

False.

45mins + 45mins = 1.5hrs

8-104 (3)(a)