Quiz

2023 Code Changes

1. The setpoint value of an Energy Management System (EMS) shall be considered a _____ for the purposes of load calculations.
(a) token load
(b) non-continuous load
(c) continuous load
(d) maximum load

2. Which statement is true about Surge Protective Devices (SPD)?
(a) All services shall have a Type 1 or 2 SPD installed as close as possible to the main  disconnect.
(b) Type 4 SPD are permitted to be reconditioned.
(c) Certain SPD’s are not required to be listed.
(d) An SPD shall provide indication that it is functioning as it should.

3. Screws or other fasteners installed in the field that enter wiring spaces of enclosures must be _____.
(a) machine screw type with blunt ends
(b) other fasteners with blunt ends
(c) screws or other fasteners that extend into the enclosure no more than 1⁄4” unless the end is protected with an approved means
(d) All the above 

4. Branch circuits in these rooms are not required to be arc fault protected _____.
(a) garages and bathrooms
(b) hallways and libraries
(c) laundry areas & recreation rooms
(d) All these rooms require AFCI protection for branch circuits in dwelling units.

5. A code change relating to air-conditioning and refrigeration equipment requires it to not be installed within a zone measured _____ horizontally and _____ vertically from the top of a bathtub rim or shower stall threshold.
(a) 2’-6”, 8’-0”
(b) 3’-0”, 8’-0”
(c) 3’-6”, 8’-0”
(d) 4’-0”, 8’-0”

6. Where devices or equipment are mounted in boxes having side-wiring entries (knockouts), the conductors entering from the side shall be protected by which method below?
(a) the clearance from the box wall to the device or equipment cannot less than ½”.
(b) The device can not extend into the box beyond the centerline of the wiring knockout(s). 
(c) Answers (a) & (b) apply. 
(d) None of the above.



Answers:
1. (c) Ref: 220.70(C)
2. (d) Ref: 242.9
3. (d) Ref: 312.10(1-3)
4. (a) Ref: 210.12(B)
5. (a) Ref: 440.8
6. (c) Ref: 312.24(C)(1)(2)