Tackle the Code Conundrum… if you dare!

Answers to this month’s questions will appear in the June 2020 edition of Electrical Business Magazine.

QUESTION 1

Which Appendix in the CE Code provides guidance on the creation of the Descriptive System Document?

a) B

b) F

c) G

d) H

e) J

QUESTION 2

Cables containing both Class 2 and power and lighting circuits must be:

a) Marked as approved for the application

b) Intended for the supply and/or control of remote devices associated with the non-Class 2 conductors

c) Insulated for the highest voltage

d) All of the above

e) Both B and C

QUESTION 3

No point of an ungrounded system is grounded; instead, the non-current-carrying conductive parts (equipment) of the ungrounded system are grounded.

a) True

b) False

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ANSWERS from April 2020 edition.

Question 1

When only 4 conductors of an 8-conductor cable (not marked LP) are used for power, the ampacities obtained from Table 60 must be multiplied by:

a) 0.5

b) 1

c) 1.4. Ref. 16-330 3) – Correct

d) 2

e) None of the above

Question 2

The ampacity of an approved cable bus assembly is determined from:

a) A Section 4 ampacity calculation

b) The ampacity on the product label – Correct

c) A certified test report from the cable bus manufacturer

d) A and C

e) A and B

Question 3

A bonding connection is required for any device having a bonding terminal and mounted on a non-metallic outlet box.

a) True – Correct

b) False

About the author…

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

This article—along with other great content—appears in the May 2020 edition of Electrical Business Magazine.