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Code Conundrum December 2019


December 16, 2019
By Ray Yousef

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Tackle the code conundrum if you dare!

Question 1

A combination Arc Fault Circuit Interrupter provides:

a) Both AFCI and GFCI protection

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b) Only protection for series arcing faults

c) Only Protection for parallel arcing faults

d) Protections for both series and parallel arcing faults

Question 2

The integrity of an impedance grounded system shall be monitored, and the system shall have an audible or visual alarm if there is:

a) A ground fault on current carrying conductors

b) A ground fault on the conductors connecting the impedance grounding device to a source

c) A loss of continuity of the impedance grounding circuit

d) All of the above

Question 3

Raceways which are less than 2 m above grade and subject to mechanical damage shall:

a) Be of rigid steel type

b) Protected by location

c) Protected by steel guards, min. 10 MSG, secured in place

d) Any of the above

 

Answers, October 2019 issue:

Question 1

d) All of the above. Ref: Rule 64-060, CE Code 2018

Question 2

b) The ampacity marked on the cable. Ref: Rule 16-330, CE Code 2018

Question 3

e) Both a) and c). Ref: Rule 18-064, CE Code 2018

 

How did YOU do?

3 – Seasoned journeyman

2 – Need refresher training

1 – Apprentice

0 – Just here for fun!



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