Code, Standards, and Practices 1, Based on the 2020 NEC Online Materials: Lesson 4 Understanding and Applying Article 110 of the NEC II Flashcards
Considerations when judging electrical equipment include, but are not limited to, ? effects under normal conditions of use and also under abnormal conditions likely to arise in service.
a. heating
b. intended
c. overcurrent
d. specific
heating
Listed or labeled equipment shall be ? and used in accordance with any instructions included in the listing or labeling.
a. built
b. installed
c. manufactured
d. setupIn
installed
Electrical equipment is required to be installed in a neat and workmanlike manner.
a. True
b. False
True
Equipment must be acceptable to the authority having jurisdiction. An identifying label must always be attached to the equipment.
Select one:
True
False
False
Listed is defined, in part, as equipment, materials, or services included in a list published by an organization acceptable to ? .
Select one:
a.IBEW/NECA
b.National Electrical Manufacturers Association (NEMA)
c.the authority having jurisdiction (AHJ)
d.the National Safety Council
e.Underwriters Laboratories (UL)
the authority having jurisdiction (AHJ)
Equipment that is listed is published in a directory by an entity such as ? certifying that it has met established standards and is periodically reviewed to ensure standards compliance.
Select one:
a.NEMA
b.the manufacturer
c.the NEC
d.the testing laboratory
the testing laboratory
The NEC requirement that addresses installing equipment in a “neat and workmanlike manner” includes specific provisions for installations that are level, plumb, square, and adequately supported.
Select one:
True `
False
False
Internal parts of electrical equipment, including busbars, wiring terminals, insulators, and other surfaces, shall not be damaged or contaminated by foreign materials such as ? .
a. abrasives
b. cleaners
c. corrosive residues
d. paint
e. plaster
f. all of the above
all of the above
NECA 1 defines the ? baseline of quality and workmanship for installing electrical products and systems.
Select one:
a.benchmark
b.maximum
c.minimum
d.standard
minimum
The NECA 1 document describes what is meant by installing equipment in a “neat and workmanlike manner” as required in the NEC.
Select one:
True
False
True
NECA 1 indicates that if materials on a construction site are subject to water accumulation, dirt, or dust, they must be protected by plastic wrapping and stored ? .
Select one:
a.in jobsite portable metal containers
b.off-site in clean, dry, and heated warehouses
c.on a special poured concrete pad designed for such materials
d.on pallets or other means above the floor
on pallets or other means above the floor
According to NECA 1, a dry-type transformer, which has moisture sensitive insulation, must be stored in an area where the relative humidity is below ? at all times.
Select one:
a.35%
b.75%
c.90%
d.100%
75%
According to NECA 1, good workmanship shall be apparent in the installation of all electrical materials and equipment. Which fittings must be made up “tight” in accordance with the manufacturer’s and/or listing instructions?
I. Clamps
II. Connectors
III. Couplings
IV. Joints
V. Nuts
VI. Overcurrent devices
VII. Screws
VIII. Switches
Select one:
a.I., II., III., IV., V., and VII
b.I., II., III., V., and VII.
c.I., V., VII., and VIII.
d.II., III., and IV.
e.IV., VI., and VIII.
f.All of the above
I., II., III., V., and VII.
In accordance with NECA 1, all anchors must be of the type designed for the purpose and rated capable of adequately and safely securing the item to the base material. Corrosion from wet or damp locations, fumes, electrolytic action between dissimilar materials, etc. must be considered in accordance with NEC 300.6 for all installations.
Select one:
True
False
True
Per NECA 1, match all that apply to outlet boxes.
I. Before installing conductors, care must be taken to prevent entrance of foreign materials and all foreign matter must be cleared and removed.
II. Boxes for switches near doors shall be located on the opposite side of the hinge.
III. Covers larger than six feet square shall be hinged or sectionalized to facilitate removal and replacement.
IV. Hangers and supports shall be suitable for the type used.
V. It must be securely and rigidly attached or supported.
VI. When installed in concrete, it must occupy the middle third, when practical, and leave at least 3/4-inch concrete cover.
Select one:
a.I., II., IV., and V.
b.I., II., V., and VI.
c.I., III., and V.
d.II., III., IV., and V.
I., II., IV., and V.
Per NECA 1, match all that apply to junction and pull boxes.
I. Before installing conductors, care must be taken to prevent entrance of foreign materials and all foreign matter must be cleared and removed.
II. Covers larger than six feet square shall be hinged or sectionalized to facilitate removal and replacement.
III. Hangers and supports shall be suitable for the type used.
IV. It must be located near the door on the opposite side of the hinge.
V. It must be securely and rigidly attached or supported.
VI. When installed in concrete, it must occupy the middle third, when practical, and leave at least 3/4-inch concrete cover.
Select one:
a.I., II., and V.
b.I., III., V., and VI.
c.I., IV., V., and VI.
d.II., III., and V.
e.II., III., IV., and V.
II., III., and V.
In accordance with NECA 1, match all that may apply to raceways.
I. Before installing conductors, care must be taken to prevent entrance of foreign materials and all foreign matter must be cleared and removed.
II. Covers larger than six feet square shall be hinged or sectionalized to facilitate removal and replacement.
III. Hangers and supports shall be suitable for the type used.
IV. It must be located near the door on the opposite side of the hinge.
V. It must be securely and rigidly attached or supported.
VI. When installed in concrete, it must occupy the middle third, when practical, and leave at least 3/4-inch concrete cover.
Select one:
a.I., II., and V.
b.I., III., IV., and V.
c.I., III., V., and VI.
d.I., IV., V., and VI.
e.II., III., IV., and V.
I., III., V., and VI.
As indicated in NECA 1, what is the spacing of conduit support requirement of an exposed vertical run of 11/4-inch rigid metal conduit (RMC)?
Select one:
a. 5’
b. 7’
c. 8’
d.10’
8’
Do the spacing of conduit support requirements in NECA 1 differ from those in the NEC?
Select one:
a. Yes
b.No
Yes
Electrical equipment shall be firmly secured to the surface on which it is mounted.
a. True
b. False
True
In accordance with NECA 1, the mounting height of a telephone outlet is ? .
Select one:
a. 18”
b. 24”
c. 36”
d.42”
18”
Per NECA 1, the mounting height of a fire alarm horn is ? .
Select one:
a.42”
b.48”
c.80”
d.84”
80”
Per NECA 1, the mounting height of a general use wall receptacle outlet is ? .
Select one:
a. 18”
b.24”
c.36”
d.42”
18”
NECA 1 indicates that the mounting height of a wall lighting outlet is to be ? .
Select one:
a.42”
b.48”
c.80”
d.84”
84”
Listed is defined, in part, as equipment, materials, or services included in a list published by an organization acceptable to the authority having jurisdiction.
Select one:
True
False
True
Many of the products bearing the UL Mark incorporate ? bearing the UL Recognized Component Mark. That Mark ? provide evidence of listing or labeling which may be required by installation codes or standards.
Select one:
a. components / does not
b. the company name / does
c. the trade name / does not
d. the trademark / does
components / does not
The term ? is defined as “acceptable to the authority having jurisdiction.”
Select one:
a.approved
b.compliant
c.labeled
d.listed
approved
The NEC requires all material and equipment to be listed.
Select one:
True
False
False
The UL Listed Mark provides evidence of listing or labeling that may be required by installation codes or standards.
Select one:
True
False
True
Where the NEC does require listing, the equipment shall be installed and used in accordance with the ? the equipment.
Select one:
a. industry standards for
b. instructions supplied with
c. specifications supplied to the testing lab by the manufacturer of
d. type and size of
instructions supplied with
UL’s Field Evaluation Service covers on-site safety evaluations of installed products or systems conducted by UL technical staff. UL’s Field Evaluation Product Mark can be applied to the product in the ? , if the product complies with the UL’s requirements.
Select one:
a. field
b. manufacturer’s lab
c.UL lab
d. all of the above
field
With UL’s Classification Service, UL determines that a manufacturer has demonstrated the ability to produce a product that complies with its requirements for the purpose of classification or evaluation regarding which of the following?
Select one:
a. Field testing performance data
b. Manufacturer requirements for construction
c. Performance under specified conditions
d.Standards determined by council
Performance under specified conditions
A(n) ? marking is a European marking of conformity indicating that a product complies with the essential requirements of the applicable European laws or directives with respect to safety, health, environment, and consumer protection.
Select one:
a.CE
b.CSA
c.EEA
d.UL
CE
