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National Code
Quiz 1: National Electrical Code
Path 4
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Question 21
Short Answer
Each general-care (Category 2) space patient bed location shall be provided with a minimum of _________receptacle(s).
Question 22
Short Answer
Plug fuses of_________ and lower rating shall be identified by a hexagonal configuration of the window, cap, or other prominent part to distinguish them from fuses of higher ampere ratings.
Question 23
Short Answer
Branch-circuits that supply neon tubing installations shall not be rated in excess of _________
Question 24
Short Answer
The width of the working space in front of the electrical equipment shall be _________or 30 in., which- ever is greater.
Question 25
Short Answer
For each major repair garage floor, the entire area up to a level of_________ in. above the floor shall be classified as Class I, Division 2 if ventilation is not provided.
Question 26
Short Answer
One 15-ampere-rated duplex receptacle may be installed on a_________ ampere branch-circuit.
Question 27
Short Answer
_________is defined as connected to establish electrical continuity and conductivity.
Question 28
Short Answer
In all areas specified in 210.52 , all nonlocking-type 125- and 250-volt, 15- and 20-ampere receptacles shall be_________
Question 29
Short Answer
Where it is unlikely that two or more _________loads will be in use simultaneously, it shall be permissible to use only the largest load(s) that will be used at one time, in computing the total load of a feeder or service.
Question 30
Short Answer
Branch-circuit conductors that supply a single motor used in a continuous duty application shall have an ampacity of not less than_________ of the motor's fullload current rating as determined by
430.6
(
A
)
(
1
)
430.6(A)(1)
430.6
(
A
)
(
1
)
.
Question 31
Short Answer
A clearly labeled emergency shutoff or control switch for the purpose of stopping the motor(s) that provide power to the recirculation system and jet system shall be installed at a point readily accessible to the users and at least _________ ft away adjacent to, and within sight of the spa or hot tub.
Question 32
Short Answer
Where _________are installed in a junction box, each section shall be considered as a separate box.
Question 33
Short Answer
In a location where flammable anesthetics are employed, the entire area shall be considered to be a Class I, Division I location that shall extend upward to a level _________
f
t
\mathrm{ft}
ft
above the floor.
Question 34
Short Answer
Conductors shall be considered outside of a building or other structure where installed under not less than_________ in. of concrete beneath a building or other structure.
Question 35
Short Answer
A compartment or chamber to which one or more air ducts are connected and that forms part of the air distribution system is
a
(
n
)
a(n)
a
(
n
)
_________.
Question 36
Short Answer
All cables installed in agricultural buildings shall be secured within _________in. of each cabinet, box, or fitting.
Question 37
Short Answer
Where field-installed wiring pass through an opening in an enclosure, conduit box, or barrier, a shall be used to protect the conductors from the edges of an opening having sharp edges within generators.
Question 38
Short Answer
The service equipment shall be located in sight from and not more than_________
f
t
\mathrm{ft}
ft
from the exterior wall of the mobile home it serves.
Question 39
Short Answer
Any dwelling unit wall space_________
f
t
\mathrm{ft}
ft
or more in width (including space measured around corners) and unbroken along the floor line by doorways and similar openings, fireplaces, and fixed cabinets that do not have countertops or similar work surfaces shall have a receptacle outlet.
Question 40
Short Answer
Busways shall be securely supported at intervals not exceeding ______
f
t
\mathrm{ft}
ft
unless otherwise designed and marked.
showing 21 - 40 of 100
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