Electrical Business

Features Code Conundrum Codes & Standards
Code Conundrum February 2019


February 13, 2019
By Ray Yousef

Topics

February 13, 2019 – Tackle the Code Conundrum if you dare!

Question 1
Receptacles in CSA configurations 5-15R or 5-20R, installed in buildings under construction:
a) Shall be protected by GFCI Class A.
b) Can be wired by NMSC according to Rules 12-500 to 12-526.
c) Shall be kept entirely separate from lighting branch circuits.
d) All of the above.

Question 2
True or false: the CE Code allows the use of non-metallic sheathed cable in a building of combustible construction.
a) True.
b) False.

Question 3
For a mobile home, the minimum permitted size of conductor for the power supply cord is:
a) #10 AWG.
b) #8 AWG.
c) #6 AWG.
d) #4 AWG.

Answers to this month’s questions will appear in the April 2019 issue of Electrical Business. Meanwhile, here are the answers to the December 2018 Code Conundrum:


Question 1
Fuses permitted to be used for overcurrent protection, where circuit overload protection is provided by other means, are:
d) A & B: Class C and HRCII-MISC fuses. Rule 14-212, CE Code 2018

Question 2
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, CE Code 2018

Question 3
Rigid main contact conductors for an electrical hoist shall be supported so there is an air space of not less than _____ between conductors.
c) 25 mm. Rule 40-012, CE Code 2018.

How did YOU do?

3 – Master Electrician
2 – Journeyman
1 – Apprentice
0 – Bricklayer ?!?


Ray Yousef is a code engineer with Ontario’s Electrical Safety Authority (ESA). For more information, visit www.esasafe.com.

This column originally appeared in the February 2019 issue of Electrical Business magazine.


Print this page

Related

Tags



Leave a Reply

Your email address will not be published. Required fields are marked *

*