Dewalt Test 6

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Where an existing den of a dwelling unit is remodeled and the branch-circuit wiring is replaced or extended by more than 6 feet, the branch-circuit shall be protected by ________. I. a listed combination- AFCI located at the origin of the branch-circuit II. a listed outlet branch-circuit-type AFCI located at the first receptacle outlet of the existing branch-circuit. A. I only B. II only C neither I nor II D. either I or II

210.12(B)(1)&(2) D. either I or II

Disregarding exceptions, where residential lighting outlets are installed in interior stairways, there shall be a wall switch provided _______. A. near the stairs B. every seven(7) steps C. at the top and bottom of the stairs if there are more than six (6) steps D. at any convenient location at the floor level

210.70(A)(2)(c) Answer: C. at the top and bottom of the stairs if there are more than six (6) steps

In dwelling units, all 125-volt, single-phase, 15- or 20-ampere rate3d receptacle outlets installed within six (6) feet of the outside edge of a sink in a laundry room shall be provided with ______ A. a weatherproof cover B. AFCI protection only C. GFCI protection only D. both GFCI protection and AFCI protection

210.8(A)(7) within 6 feet of a sink requires a GFCI 210.12(A) laundry areas require AFCI Answer: D. both GFCI protection and AFCI protection

The point of attachment of the overhead service conductors to a residence is required to be at LEAST ______ feet above grade where the voltage is 120/240, single-phase. A. 8 B. 10 C. 12 D. 15

230.26 B. 10

When installing an overhead service using rigid metal conduit (RMC) mast for support of the service-drop conductor, the mast shall be of adequate strength to be _______ to safely withstand the strain imposed by the service-drop. A. at least 2 inches in diameter B.a minimum of 3 inches in diameter C. supported by braces or guys D. less than 4 feet

230.28(A) C. supported by braces or guys

When exceptions are not applicable, the MINIMUM size underground service lateral conductors permitted by the NEC is _________. A. 8 AWG B. 6 AWG C. 4 AWG aluminum D. 2 AWG aluminum

230.31(B) Answer: A. 8 AWG

Where it is impractical to locate the service head or gooseneck above the point of attachment of the service drop conductors, the service head or gooseneck shall be permitted NOT further than _____ feet from the point of attachment. A. 3 B. 4 C. 6 D. 2

230.54(C), Exception

Of the following listed connectors, what type is PROHIBITED for connection of a grounding conductor to enclosure. A. sheet metal screws B. pressure connectyors C. clams D. lugs

250.8(A) A. sheet metal screws

When using wood braces to support metal device boxes to structure the braces shall have a cross-section of NOT less than ______. A. 1 1/2 in. x 3 1/2in. B. 1 1/4 in x 3 1/2in. C. 1 in. x 2 1/2 in D. 1 in. x 2 in.

314.23(B)(2) Answer: D. 1 in. x 2 in.

Concealed knob and tube wiring shall be permitted to be used ONLY for ________. A. dwelling units B. extensions of existing installations C. accessible installations D. installing temporary wiring

394.10(1) Answer: B. extensions of existing installations

Receptacle outlets, unless listed as receptacle assemblies for countertop applications, installed in the _________ position in countertops are prohibitted. A. Vertical B. horizontal C. face-up D. All of these are acceptable

406.5(E) C. face-up

A luminaire that weighs a LEAST ______ pounds or more shall not be supported by the screw shell of a lampholder. A. 5 B. 10 C. 8 D. 6

410.3(A) Answer: D. 6

For residential lighting systems operating at 30-volts or less, the output circuit of the power supply are to be rated for NOT more than ______ amperes. A. 15 B. 20 C. 25 D. 30

411.3(A) C. 25 AMPS Low voltage lighting systems are 30 volts or less. Low voltage lighting requires 25 amperes max,

The ampacity of branch-circuit conductors and the rating or setting of overcurrent protective device supplying fixed outdoor electric deicing equipment shall NOT be less than ____ percent of the full load current of the equipment. A. 100 B. 125 C. 80 D. 150

426.4 210.19(A)(1)(a) Answer:B. 125

All single-phase cord-and-plug-connected room air conditioners shall be provided with____________ A. a cord not more than 4 feet B. a cord with conductors not smaller than size 12AWG. C. factory-installed GFCI protection D. factory-installed AFCI or LCDI

440.65 D. factory-installed AFCI or LCDI

All 15- and 20- ampere, single-phase, 125-volt receptacle outlets located at LEAST _________ feet from the inside walls of a permanently installed swimming pool shall be provided with GFCI protection. A. 10 B. 15 C. 20 D. 25

680.22(A)(4) C. 20

When wall switches are installed in the same room with a spa or hot tub or spa shall be _________feet. A. 5. B. 10 C. 15 D. 18

680.43(C)

Electric water heaters for swimming pools shall have the heating elements subdivided into loads NOT exceeding _________ amperes A. 32 B. 36 C. 48 D. 60

680.9 Answer: C. 48

The purpose of an intersystem bonding termination is to provide a means for connecting______ to the grounding electrode system. A. bonding conductors for communication systems B. the service equipment C. all panelboard in the dwelling D. equipment grounding conductors

Article 100 A. bonding conductors for communication systems


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