October 22, 2021 – Welcome to the newest round of Code Conundrum questions (from our October 2021 edition), which test your knowledge of the Canadian Electrical Code (CE Code) Part I.

Answers to these new questions will be found in our upcoming December 2021 edition (and here at EBMag.com).

QUESTION 1: The CE Code allows the use of non-metallic sheathed cable in a building of combustible construction.

a) True
b) False

QUESTION 2: Where conductors are used in exposed wiring and are subject to corrosive liquids or vapours in a Category 2 location, they shall be of a type with corrosion-resistant protection, and be located more than horizontally from floors, decks or stairs.

a) 1.0 m
b) 1.5 m
c) 2.0 m
d) 2.5 m

QUESTION 3: In a dwelling unit, what is the maximum allowable height of the handle of a panelboard’s overcurrent device?

a) 1.5 m
b) 1.6 m
c) 1.7 m
d) 1.8 m

Ray Yousef is a code engineer with Ontario’s Electrical Safety Authority.

This column—plus more great content—appears in the October 2021 edition of Electrical Business Magazine. Even more back issues are located in our Digital Archive.