Code Conundrum Nov/Dec 2017 • Ray Yousef

Ray Yousef
January 22, 2018
By Ray Yousef
January 22, 2018 — Tackle the code conundrum if you dare!

QUESTION 1
Receptacles are permitted to be mounted facing up in a kitchen counter of an apartment.

a) True
b) False

QUESTION 2
For general power and lighting circuits, the maximum rating of overcurrent protection for a No. 12AWG copper conductor is:

a) 15A
b) 20A
c) 25A
d) 30A

QUESTION 3
The power supply of a fire alarm system shall be:

a) Provided by a separate circuit.
b) Interlocked with the emergency lighting circuit in a hotel.
c) Kept at least 3.0 m away from any combustible material.
d) All of the above.



ANSWERS to this month’s questions in January’s Electrical Business. MEANTIME, here are the answers to the October 2017 Code Conundrum!

Question 1
Motor disconnecting means shall not be of a type that is electrically operated, either automatically or by remote control.

a) True. Rule 28-602(4).

Question 2
Overhead consumer’s service conductors shall not be less than copper wire.

b) #10 AWG. Rule 6-302(4).

Question 3
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.

b) 1.5 m. Rule 22-202(1).

How did YOU do?
3/3 = Master Electrician
2/3 = Journeyman
1/3 = Apprentice
0/3 = Bricklayer?!?



The Code Conundrum is compiled by Ray Yousef, a code engineer with Ontario’s Electrical Safety Authority.

This article originally appeared in the November/December 2017 issue of Electrical Business Magazine.

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