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National Code
Quiz 1: National Electrical Code
Path 4
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Question 1
Short Answer
No handhole shall be required in a metal pole, supporting a luminaire, that is _________
f
t
\mathrm{ft}
ft
or less in height above grade that is provided with a hinged base.
Question 2
Short Answer
Where run across the top of floor joists, or within _________
f
t
\mathrm{ft}
ft
of the floor or floor joists across the face of rafters or studding, in an attic that has permanent stairs, nonmetallic-sheathed cable shall be protected by substantial guard strips that are at least as high as the cable.
Question 3
Short Answer
Mandatory NEC rules are those that identify actions that are specifically required or prohibited and are characterized by the use or the terms_________
Question 4
Short Answer
In other than dwelling units, in addition to other arcflash hazard warning requirements in this section, a permanent label shall be field or factory applied to service equipment rated _________amps or more.
Question 5
Short Answer
A location temporarily subject to dampness or wetness, as in the case of a building under construction, is classified as a(n)_________ location.
Question 6
Short Answer
Kitchen countertop receptacle outlets shall be installed so that no point along the wall line is more than in_________., measured horizontally from a receptacle outlet in that space.
Question 7
Short Answer
In hazardous (classified) locations, NPT threaded entries into explosionproof equipment shall be made up with at least_________ threads fully engaged.
Question 8
Short Answer
The disconnecting means for motor circuits rated 1000 volts, nominal, or less, shall have an ampacity rating of at least_________ of the motor.
Question 9
Short Answer
The life safety and critical branches of the hospital essential electrical system shall be installed and connected to the alternate power source specified in
517.30
(
A
)
517.30(A)
517.30
(
A
)
and (B) so that all functions specified herein for the life safety and critical branches are automatically restored to operation within_________ after interruption of the normal source.
Question 10
Short Answer
Where an equipment bonding jumper is installed on the outside of a raceway, the length shall not exceed _________
f
t
\mathrm{ft}
ft
and shall be routed with the raceway or enclosure.
Question 11
Short Answer
A surface-mounted incandescent or LED luminaire installed on the ceiling of a clothes closet must have a minimum clearance of_________ in. between the luminaire and the nearest point of the closet storage space.
Question 12
Short Answer
Where cable trays support individual conductors and where the conductors pass from one cable tray to another, or from a cable tray to raceways or to equipment where the conductors are terminated, the distance between cable trays or between the cable tray and the equipment shall not exceed_________
f
t
\mathrm{ft}
ft
Question 13
Short Answer
In dwelling units, hallways of _________
f
t
\mathrm{ft}
ft
or more in length shall have at least one receptacle outlet.
Question 14
Multiple Choice
A bathroom is an area that includes: I. a tub and a toilet. II. a basin and a toilet. III. a toilet and a shower.
Question 15
Short Answer
An outdoor motor fuel dispensing device is considered to be a Class I, Division 2 location up to_________ in. above grade level within _________
f
t
\mathrm{ft}
ft
horizontally in all directions from the dispenser enclosure.
Question 16
Short Answer
Where nonmetallic-sheathed cable is run at angles with joists in unfinished basements and crawl spaces, it shall be permissible to secure cables not smaller than two _________conductors directly to the lower edges of the joists.