July 15, 2024 – Welcome to the newest round of questions that test your knowledge of the CE Code-Part I. Answers will appear in the September 2024 edition of Electrical Business Magazine, and online at EBMag.com.

QUESTION 1 – At least one duplex receptacle shall be provided in a porch of a house.

a) True
b) False

QUESTION 2 – Single-phase inverters for an interactive solar photovoltaic system are not permitted to be connected to 3-phase systems, unless they are:

a) designed to provide 3-phase system voltages that are balanced within the limits of supply authority requirements.
b) in compliance with requirements of Rule 84-018.
c) in compliance with requirements of Rule 84-008
d) all of the above.

QUESTION 3 – Receptacles located between ___ m and ___ m of the inside walls of a pool shall be protected by a Class A type GFCI.

a) 1.0 m, 3.0 m
b) 1.5 m, 2.5 m
c) 1.0 m, 2.5 m
d) 1.5 m, 3.0 m

ANSWERS to Code Conundrum, April 2024 edition.

QUESTION 1 – What size of copper tap conductor is required to connect a metal fence around an outdoor substation to the station ground electrode?

a) 6 AWG
b) 2/0 AWG. Rule 36-312(2).
c) 3/0 AWG
d) 4/0 AWG

QUESTION 2 – Receptacles having 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
c) Shall be kept entirely separate from lighting branch circuits
d) All of the above. Rules 76-012, 76-016.

QUESTION 3 – Class H fuses are permitted to be used for overcurrent protection where circuit overload protection is provided by other means.

a) True
b) False. Rule 14-212.

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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