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Code Conundrum May 2018 • Ray Yousef

June 20, 2018 — Tackle May 2018’s Code Conundrum…if you dare!

QUESTION 1
Conductors for equipotential bonding shall be permitted to be installed as open wiring, provided they are adequately secured.

a) True
b) False

QUESTION 2
Which of the following insulated wires can be marked permanently with green colour to be used as a bonding wire?

a) #10AWG
b) #8AWG
c) #6AWG
d) #1AWG

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

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

Answers to this month’s questions in June’s Electrical Business. MEANTIME, here are the answers to the April 2018 Code Conundrum!

Question 1
When a transfer device is used to connect a portable and/or standby generator to feed essential loads in residential applications, the transfer device is required:

d) All of the above. Rule 6-106, CE Code 2018.

Question 2
Vertical runs of #1/0 AWG copper TECK90 cables shall have the internal cable assembly supported at maximum intervals of:

c) 30 m. Rule 12-120(4), CE Code 2018.

Question 3
Two 15A, 120V-rated single-pole breakers are permitted to have their handles mechanically interlocked onsite to protect a 15A, 240V three-wire branch circuit.

b) False. Rule 14-302(b), CE Code 2018.

How did YOU do?

3/3 = Master Electrician
2/3 = Journeyman
1/3 = Apprentice
0/3 = Bricklayer?!?

This article originally appeared in the May 2018 issue of Electrical Business Magazine.