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Code Conundrum May 2022

Tackle the Code Conundrum... if you dare!

May 26, 2022  By Ray Yousef



May 26, 2022 – Welcome to the newest round of questions that test your knowledge of the CE Code-Part I. Answers will appear in the June 2022 edition of Electrical Business Magazine (and here at EBMag.com). Good luck!


QUESTION 1 – Where receptacles of type 14-50R are installed on recreational vehicle lots, the CE Code requires them to be protected by Class A-type GFCIs.

a) True
b) False

QUESTION 2 – What is the maximum distance for spacing between supports for electrical non-metallic tubing?

a) 300 mm
b) 600 mm
c) 1.0 m
d) 1.5 m

QUESTION 3 – The maximum voltage for a class 2 circuit is:

a) 30 V
b) 48 V
c) 115 V
d) 150 V

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ANSWERS to Code Conundrum April 2022 edition.

QUESTION 1 – Does the CE Code allow two supply services of the same voltage from the same system of any supply authority to enter a building if one will only be used for supplying a fire pump?

a) Yes. Rule 6-102(1).
b) No.

QUESTION 2 – For a mobile home, the minimum permitted conductor size for the power supply cord is:

a) #10 AWG
b) #8 AWG
c) #6 AWG. Rule 70-108(4)(a).
d) #4 AWG

QUESTION 3 – Which of the following insulated wire can be marked permanently in green to be used as a bonding wire?

a) #10 AWG
b) #8 AWG
c) #6 AWG
d) #1 AWG. Rule 4-032(1).


How did YOU do?

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


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

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