March 12, 2025 – Welcome to our new quizmaster, Gabriel, and to the newest round of questions that test your knowledge of the CE Code-Part I. Answers will appear in the April 2025 edition of Electrical Business Magazine, and online at EBMag.com.

QUESTION 1 – When a single dwelling does not have opposite sides, and a receptacle must be located on the adjacent side of the dwelling, what is the minimum spacing between the front-side and adjacent-side receptacles?

a) There is no minimum spacing requirement.
b) No less than 2/3 the width of the longest side.
c) No less than 1/2 the width of the longest side.
d) Centred on the adjacent-side wall, regardless of front-side’s location.

QUESTION 2 – Marking the maximum load on a residential panelboard is not required when the loads are calculated in the apartment building as per Rules 8-200 or 8-202, and the service conductors are rated less than the overcurrent protection.

a) True
b) False

QUESTION 3 – What is the percentage factor for conductors installed for a generator without factory built-in overcurrent?

a) 100%
b) 115%
c) 125%
d) 150%

ANSWERS to Code Conundrum, November 2024 edition.

QUESTION 1 – How many standard 15A duplex receptacles can be installed on a general-purpose branch circuit, fed from a standard 15A circuit breaker?

a) 8
b) 10
c) 12. Rule 8-304(1)(a).
d) unlimited

QUESTION 2 – What is the minimum size grounding conductor required for client’s a 45-kVA 600-120/208 Δ/Y transformer with 60A primary overcurrent HRC fuses, connected to a 200A 4-wire splitter?

a) #6CU
b) #4AL
c) #3CU
d) None of the above. Rule 10-212(2).

QUESTION 3 – What is the minimum height from the floor for a receptacle that is intended to connect to an emergency battery pack with two lamps for illuminating the area upon loss of power?

a) 2.5 m. Rule 46-304(1).
b) 3 m
c) 1.7 m
d) 1.5 m

How did you do?

3 • Seasoned journeyman
2 • Need refresher training
1 • Apprentice
0 • Just here for fun!

Gabriel Bone is technical training developer with Ontario’s Electrical Safety Authority.

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