Code, Standards, and Practices 1 - LESSON 4
The NEC requires all material and equipment to be listed. 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 the authority having jurisdiction. Select one: True False
True
The installation and use instructions may be provided in the form of printed material, quick response (QR) code, or the address on the Internet where users can download the required instructions. Select one: True False
True
Electrical equipment is required to be installed in a skillful and professional manner. a. True b. False
a true 110.12
An informational note to the scope of Article 100 indicates that NFPA 790-2021 is the Standard for ? of Third-Party Field Evaluation Bodies. a.Competency b.Credentialing c.Evaluation d.Testin
a. Competency
Equipment that is listed is published in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with ? . a.evaluation of products or services b.manufacturer's specfications c.product evaluation d.product testing
a. evaluation of products or services
Equipment that is listed, labeled, or both, or ? shall be installed and used in accordance with any instructions included in the listing, labeling, or identification. a.identified for a use b.manufactured on a custom basis c.prefabricated on a jobsite d.prefabricated within a warehouse or other non-jobsite building or structure
a. identified for a use
In accordance with NECA 1, the mounting height of a telephone outlet is ? . a.18" b.24" c.36" d.42"
a. 18"
Per NECA 1, the mounting height of a general use wall receptacle outlet is ? . a.18" b.24" c.36" d.42"
a. 18"
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
a. heating 110.3a5
Electrical equipment shall be firmly secured to the surface on which it is mounted. a. True b. False
a. true 110.13(A)
Do the spacing of conduit support requirements in NECA 1 differ from those in the NEC? a.Yes b.No
a. yes
According to NECA 1, ensure that all threads are fully engaged or covered, and that all parts are made up tight. Use a calibrated torque tool, torque screwdriver or torque wrench, to tighten all ? or other fastening devices in accordance with manufacturer and/or listing instructions. I. BoltsII. ClampsIII. FittingsIV. JointsV. NutsVI. Overcurrent devicesVII. ScrewsVIII. Switches 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
f all of the above
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
f. all of the above 110.12(B)
Approved, by definition, means it is acceptable to the authority having jurisdiction. Labeled, by definition, means that equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner. Accordingly, an identifying label must always be attached to a listed product. Select one: True False
false
The NEC requirement that addresses installing equipment in a "professional and skillful manner" includes specific provisions for installations that are level, plumb, square, and adequately supported. Select one: True False
false
In accordance with NECA 1, one must ensure that anchors and fasteners are of a type designed and installed for the purpose as intended and are suitable for secure and permanent attachment to the base material. Select one: True False
tru
The NECA 1 document describes what is meant by installing equipment in a "professional and skillful manner" as required by 110.12 in the NEC. Select one: True False
true
Per NECA 1, match all that apply to outlet and device boxes.I. Coordinate the installation of these boxes with other trades.II. Protect these boxes from the entrance of foreign matter during construction.III. Replace these boxes if they are or become discolored.IV. Thoroughly clean these boxes from plaster and other debris before installing conductors.V. Treat these boxes with a sanitizing agent. a.I., II., and IV. b.I., II., and V. c.I., III., and V. d.II., III., IV., and V.
a.I., II., and IV.
The term ? is defined as "acceptable to the authority having jurisdiction." a.approved b.compliant c.labeled d.listed
a.approved
An organization or part of an organization that performs field evaluations of electrical or other equipment defines which of the following? a.field evaluation body b.manufacturer's lab c.UL lab d.all of the above
a.field evaluation body
Where the NEC does require listing, the equipment shall be installed and used in accordance with the ? the equipment. a.industry standards for b.instructions supplied with c.specifications supplied to the testing lab by the manufacturer of d.type and size of
b. instructions supplied with
Equipment that is listed and/or labeled, or identified for a use shall be ? and used in accordance with any instructions included in the listing, labeling, or identification. a. built b. installed c. manufactured d. setup
b. installed 110.31(B)
According to NECA 1, suitable protection against the weather, exposure to moisture, dust, dirt, debris, and rodents, and ? such as corrosive fumes, liquids, salts, moisture, condensation, and concrete dust during storage is to be provided. a.chemicals or moisture sources b.contaminants c.irritants d.toxins and impurities
b.contaminants
Equipment or materials to which has been attached a label, symbol, or other identifying mark of an FEB indicating the equipment or materials were evaluated and found to comply with requirements as described in an accompanying field evaluation report defines which of the following? a.Field Evaluated b.Field Fabricated Evaluation c.Field Labeled (as applied to evaluated products) d.Field Review and Approval (as applied to field-evaluated products)
c. Field Labeled (as applied to evaluated products)
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)? a.5' b.7' c.8' d.10'
c. 8 feet
Per NECA 1, the mounting height of a fire alarm horn is ? . a.42" b.48" c.80" above floor finish line, or 6" below ceiling d.84" if acceptable based on the ceiling height
c.80" above floor finish line, or 6" below ceiling
In accordance with NECA 1, match all that may apply to raceways.I. Clean raceways if necessary before installing conductors.II. Covers for raceways larger than sixteen feet square shall be both hinged and sectionalized to facilitate removal and replacement.III. Exercise care to prevent the entrance of foreign matter into raceways during construction.IV. Locate raceways near the door on the opposite side of the hinge for consistency.V. It must be securely and rigidly attached or supported. Raceway fittings of a type compatible with the raceway and suitable for the use and location.VI. Select compatible raceway materials to eliminate the possibility of galvanic action. 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.
c.I., III., V., and VI.
NECA 1 defines the ? baseline of quality and workmanship for installing electrical products and systems. a.benchmark b.maximum c.minimum d.standard
c.minimum
Listed is defined, in part, as equipment, materials, or services included in a list published by an organization acceptable to ? . a.IBEW/NECA b.National Electrical Manufacturers Association (NEMA) c.the authority having jurisdiction (AHJ) d.the National Safety Council e.Underwriters Laboratories (UL)
c.the authority having jurisdiction (AHJ)
NECA 1 indicates that the mounting height of a wall lighting outlet is to be ? . a.42" b.48" c.80" d.84"
d.84"
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. Install such boxes in accordance with contract documents, drawings and specifications, listing and labeling instructions, and manufacturer instructions, and in accordance with the NEC.IV. Install such boxes such that they are located near the door on the opposite side of the hinge.V. Install such boxes where needed to facilitate the pulling of conductors, wire, or cable, considering the number and sizes of conductors, number of bends in the raceway, and the need for support of conductors in vertical raceways.VI. When installed in concrete, it must occupy the middle third, when practical, and leave at least 3/4-inch concrete cover. 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.
d.II., III., and V.
Related to storage, NECA 1 directs one to store materials ? to raise materials above the floor and above possible water levels, and wrap in protective plastic sheeting. 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 shelves, pallets, or other means
d.on shelves, pallets, or other means
