NEC 2017 Printreading Trade Compentency
The purpose of the NEC is to protect people and property from hazards that arise from the use of electricity. True or False
True 90.1 (A)
A bare copper grounded service -entrance conductor is permitted to be used in a(n) ______ gutter.
auxiliary 230.41 ex. 5
The point of ________ is a fixed point from which all measurements are make to show the building lot.
beginning
Any material in the current edition of the NEC that has changed from the previous edition is identified by gray studying and/or a(n) _________ line in the margin.
bracket
Unused openings in boxes and fittings shall be effectively _______.
closed 110.12 (A)
The location of all exterior walls and interior partitions is shown and dimension-ed on the _____ plans.
floor
A new receptacle outlet installed on a 15A or 20A branch circuit shall be of the _______ type.
grounding 406.4 (A)
The rating of any one cord-and-plug connected utilization equipment shall not exceed _______% of the branch circuit ampere rating.
80 210.23 (A)(2)
The NEC contains in introduction and ________ chapters.
9 90.3
The disconnecting means for a service shall disconnect all ungrounded conductors simultaneously. True or False
True 230.74
Parallel conductors in a conduit run shall have an equipment ground pulled through each conduit. True or False
True 250.122 (F)
A No. 6 GEC that is secured to the building surface and is exposed to physical damage requires metal covering or protection. True or False
True 250.64 (B) (2)
A sheet metal strap ground clamp, constructed solely of strong sheet metal, is not permitted for connecting the GEC to the grounding electrode. True or False
True 250.70
The NEC is not intended to be used and instruction manual. True or False
True 90.1 (A)
A(n) ________ line is always drawn with a series of dashes of equal length.
hidden
The branch-circuit switch or CB may serve as the disconnecting means for a permanently connected appliance of over 300 VA or 1/8 HP, where capable of being _______ and within sight.
lockable 422.31 (A)
A(n) ________ section is taken lengthwise through a building.
longitudinal
Boxes may have nonmetalic or _______ covers.
metal 314.25 (A)
Each print of a set of working drawings represents a part of a building drawn as a(n) _________ projections.
orthographic
In determining VA/sq ft area, the _____ dimensions of the building shall be used.
outside 220.82 (B) (1)
Conductor _________ protection shall not be required where the interruption of the circuit would create a hazard, such as in a fire pump circuit.
overload 240.4 (A)
Not more than six switches at one service location shall be used as the service disconnecting means if they are each ________ marked.
permanently 230.70 (B)
In general, conductors other than service conductors shall not be installed in the same service __________ or service cable.
raceway 230.7
In general, the minimum ampacity of the ungrounded service-entrance conductors shall not be less than the minimum _________ of the service-disconnecting means.
rating 230.42 (B)
For the purpose of determining the maximum number of conductors in boxes, two conductors shall be counted for each yoke or ______.
strap 314.16 (B) (4)
A(n) ________ is a graphic representation of an object.
symbol
The service disconnecting means need not be greater than 30A where there are not more than ______ 2-wire branch circuits.
two 230.79 (B)
For other than temporary holiday wiring, _______ shall not be used for the support of overhead conductors spans.
vegetation 590.4 (J)
The cubic inch rating of a No.18 fixture wire is ______ cu. in..
1.5 Table 314.16 (B)
One service lateral can consist of six underground sets of multiple conductors sized at No. ____ or larger.
1/0 310.10 (H) (1) 230.2
Where necessary, a shallow outlet box not less than ____" deep may be used, if no devices or utilization equipment is installed.
1/2" 314.24 (A)
The front edge of an outlet box in a noncombustible ceiling may be ____" back from the surface.
1/4" 314.20
Disconnecting means for motor-driven appliances over ______HP shall be located within sight of the motor controller.
1/8 422.31 (C)
The cubic inch rating of a No. 10 conductor is ____ cu in.
10 314.16
Under the optional calculation for a one-family dwelling, the air conditioning load is assessed at ______%.
100
In dwelling occupancies, the voltage between conductors supplying screw shell lampholders shall not exceed _____V.
120 200.
In general, the voltage between conductors on a branch circuit supplying luminaries shall be not greater than _______V.
120 210.6 (B)
The branch-circuit rating shall not be less than the noncontinuous load plus _______% of the continuous load.
125% 210.20(A) or 230.42(A) (1)
There are a total of _______ Code-Making Panels.
19
When several cables are routed through the same hole at a length of more than ____" without spacing, derating factors shall be applied.
24" 310.15 (B) (3) (A)
Division _________ of the CSI format pertains to electrical work.
26
In residential occupancies, the NEC requires _______ VA/sq ft. for the general lighting load.
3 VA/ sq ft Table 220.12
For outside branch circuits and feeders, the 8' vertical clearance above the roof level shall be maintained for ______' in all directions from the edge of the roof.
3' 225.
The clearance of service drops from the side or bottom of the windows that are designed to open shall not be less than ______'.
3' 230.9 (A)
Where the number of current-carrying conductors contained in the sheet metal auxiliary gutter is ____ or less, the correction factors in Table 310.15 (B) (3) (a) shall not apply.
30 366.22
Water heaters rated over _____VA shall have a disconnecting means located within 50' and within sight.
300 VA ART 100 422.31 (B)
The first ______ chapters of the NEC apply generally.
4 90.3
Where raceways containing ungrounded conductors of No. _____ or larger enter a cabinet, box enclosures, or raceway, the conductors shall be protected by a substantial fitting providing a smooth rounded insulating surface, unless the conductors are separated from the fitting or raceway by substantial insulating material securely fastened in place.
4 AWG 250.95
The minimum clearance between the lug and wall of an enclosure for a single No.4/0 conductor being terminated where the conductor does not enter or leave through the wall opposite its terminal is ____".
4" 312.6 (B) (1) - Table 312.6 (A)
The GEC to a rod, pipe or plate electrode for an AC ungrounded system need not be larger than No. ______ Cu. when it is the sole connection to a made electrode.
6 250.66 (A)
In general, the free length of conductor at a switch outlet shall be not less than _____".
6" 300.14
Receptacles in living areas are spaced so that no point along the available floor line perimeter shall be more than _____" from a receptacle outlet.
6' 210.52 (A) (1)
Overhead service conductors operating at less than 300 V between conductors shall not be permitted to exceed ______' of length with 18" of clearance above the overhang portion of the roof.
6' 230.24 ex. 3
Unless otherwise marked, a CB with a 60° C terminal shall be loaded per the ______° C Column of Table 310.15(B)(16).
60° 110.14 (C) (1)
Conductors installed inside AC cable (BX) shall have ampacity values rated at __° C per Table 310.15 (B) (16)
60° C 320.80 (A)
The minimum clearance between the lug and wall of an enclosure for a single No. 4/0 conductor being terminated at other than an opposite wall is _____".
7" Table 312.6 (B)
In general, where installed in raceways, conductors of size No. _____ and larger shall be stranded.
8 AWG 310.3
The clearance of service drops above roof surfaces shall be not less than ____'.
8' 230.24(A) (1)
A metal fixture shall be grounded if located within ______' vertically or 5' horizontally of a kitchen sink.
8' 250.110 (1)
If a single electrode consisting of a rod, pipe, or plate has a resistance to ground of ____ ohms or less, a supplemental electrode is not required. A. 25 C. 75 B. 50 D. 100
A. 25 250.53 (A) (2) ex.
An EBJ is permitted outside a raceway when it is not over ________' long and is routed with the raceway or enclosure. A. 6 C. 10 B. 8 D. none of the above
A. 6
All applications of the NEC are ultimately subject to approval by the __________.
AHJ - Authority having Jurisdiction 90.4
A(n) _______ is the shortened form of a word or phrase.
Abbreviation
When using the optional calculation for a dwelling service, all other loads above the initial 10 kVA are to be assessed at ______%. A. 5 C. 50 B. 40 D. 60
B. 40 220.83
Cutting planes for section views are shown on the ___. A. plot plan C. all of the above B. floor plan D. none of the above
B. floor plan
The general rule with respect to the service disconnecting means states that a grounding connection shall not be made to any grounded circuit on the _______ side. A. supply C. either A or B B. load D. both A and B
B. load
The most common section view of a building is taken through a(n) ___________. A. inside partition C. exterior door B. outside wall D. window
B. outside wall
The service disconnect rating for a one-family dwelling shall be not less than _____A, 1 phase, 3-wire. A. 30 C. 100 B. 60 D. 200
C. 100 225.39 (C)
The maximum rating of a cord-and -plug connected appliance used on a 20A branch circuit shall not exceed _______A. A. 12 C. 16 B. 15 D. 18
C. 16 Table 210.21 (B) (2)
No point of unbroken wall space __________ or more in length measured horizontally shall be more than ________' from a receptacle in a living room of a dwelling unit. A. 12" ; 6 C. 2' ; 6 B. 18" ; 12 D. 2' ; 12
C. 2' ; 6 210.52 (A) (1) (2)
The unit lighting load for a dwelling unit, expressed in VA/sq ft shall be _________ VA. A. 1-1/2 C. 3 B. 2 D. 5
C. 3 Table 220.12
The cutting plane for a floor plan is generally taken _______ above the floor being shown. A. 3'-0" C. 5'-0" B. 4'-0" D. 8'-0"
C. 5'-0"
The NEC is _____________. A. a legal document C. all of the above B. designed to be adopted D. none of the above by local and/or state governmental bodies
C. all of the above 90.4
Metal enclosures for GEC's shall be _______ from the point of attachment to the GEC. A. rigid conduit C. electrically continuous B. isolated D. none of the above
C. electrically continuous 250.64 (E)
A receptacle outlet is required for a hallway that has a length of ______' or more. A. 4 C. 8 B. 6 D. 10
D. 10 210.52 (H)
The minimum clearance of service drops above a public driveway on other than residential property is _____'. A. 10 C. 16 B. 12 D. 18
D. 18 230.24 (B (4)
The NEC is available in ___________ versions. A Soft Cover C. Electronic B. Loose Leaf D. All of the above
D. All of the above
A detail is part of a(n) _________ view drawn at a larger scale. A. plan C. section B. elevation D. all of the above
D. all of the above
For the kitchen small appliance load in dwellings, the NEC requires not less than ____A circuits. A. one 15 C. two 15 B. one 20 D. two 20
D. two 20A 210.
The NEC is a design specification. True or False
False
The smallest permissible size of hard-drawn copper wire for a service drop is No.10. True or False
False 210.23 (B) Ex.
The term "service-entrance conductors overhead system" includes the term "service drops". True or False
False Art. 100
All prints are drawn to 1/4" = 1'-0" scale. True or False
False (1/8"=1'-0") or (1/4"=1'=0")
The service disconnecting means shall consist of not more than eight switches or circuit breakers. True or False
False (6) 230.71(A)
A receptacle outlet in a dwelling, within 6' of a wet bar sink that is located in a living room shall be _____-protected.
GFCI 210.8 (A) (7)
Rooftop receptacle outlets for other than dwelling units used to service HACR equipment shall be _____-protected.
GFCI 210.8 (B) (3)
_______ means "connected to ground or to a conductive body that extends the ground connection".
Grounding Art. 100 Definitions
A(n) _________ is a detailed plan of a building which is drawn orthographically using a conventional representation of lines, and including abbreviations and symbols.
The first step in the Code process is the receipt of _____.
Proposals
Conduit shall not be connected to the _______ of round boxes.
Side 314.2
The Construction Specifications Institute has developed standard procedures that are helpful in writing ________.
Specifications
Other than the chairperson, membership on a Code panel is either as an alternate or principal member. True or False
True
The key to successful NEC proposals is proper substantiation for the proposed changes. True or False
True
The location of water, sewer, gas, and electrical utilities is given on the plot plan. True or False
True
The members of each CMP represent interests, such as labor, manufacturing, electrical utilities, electrical inspectors, contractor associations, and testing laboratories. True or False
True
A receptacle in the middle of the dining room floor is not counted toward fulfilling minimum NEC requirements. True or False
True 210.52
Receptacle outlets located above 5-1/2' from the finished floor can be counted as a required outlet. True or False
True 210.52 (4)
All 125V, 20A, 1 ph, receptacles installed in bathrooms of dwelling units shall have ground-fault circuit interrupter protection for personnel. True or False
True 210.8 (B) (1)
Overhead service conductors shall have a minimum clearance from ground of not less than 10'. True or False
True 230.24 (B) (1)
An elevation is orthographic drawing showing ________ planes of a building.
vertical
