Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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In kitchens, a receptacle outlet must be installed
at each counter space that is __ or wider.
a. | 6" wide | c. | 10" wide | b. | 12"
wide | d. | 24" wide |
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2.
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At least one receptacle outlet must be installed at
each peninsular counter space with a long dimension of __ or greater and a short dimension of __ or
greater.
a. | 12", 24" | c. | 48", 24" | b. | 12",
48" | d. | 24", 12" |
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3.
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Receptacle outlets must be installed above, but not
more than __ the kitchen countertop.
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4.
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Receptacles must be placed behind a kitchen
countertop so that no more than __ feet is between each receptacle.
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5.
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The part of a branch circuit that originates in the
loadcenter and provides electrical power to the first electrical box in a circuit is called a
__.
a. | ground out | c. | fly
ball | b. | home run | d. | strike
out |
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6.
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Type NM cable is often purchased in __ foot rolls
that are packaged in plastic or cardboard boxes.
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7.
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The minimum number of small appliance circuits
required by the NEC in each house is __.
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8.
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When installing a receptacle for a cord and plug
connected appliance, the receptacle must be located no more than __ feet from the
appliance.
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9.
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Kitchen lighting permitted to be supplied by
the two 20-ampere small-appliance circuits required for the kitchen and dining room
area.
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10.
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Which of he following kitchen equipment is
permitted to be connected to the two 20-ampere small-appliance circuits required for the kitchen and
dining room area?
a. | lighting | c. | clock
outlet | b. | fan | d. | none of
these |
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11.
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A 125-volt, 15- and 20-ampere receptacle installed
to serve a kitchen countertop is required .
a. | to be supplied by at least two 20-ampere small appliance
circuits | b. | to have GFCI protection for
personnel | c. | to be installed within 24 inches of the
sink | d. | both a and b |
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12.
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Which of the following 125-volt, 15- and 20-ampere
receptacle(s) installed in kitchens is (are) not required to be connected to the two 20-ampere
small-appliance circuits required for the kitchen and dining room area?
a. | a receptacle installed to plug in a gas appliance to
serve the ignition and/or clock devices | b. | a receptacle
installed to plug in a refrigerator | c. | a receptacle
installed below the sink to serve a food-waste disposer | d. | all of these |
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13.
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GFCI protection can be provided for convenience
receptacles serving kitchen countertop areas by .
a. | GFCI circuit-breakers | b. | installing a GFCI-protected receptacle at each
location | c. | installing a single feed-through type GFCI receptacle to
protect downstream receptacles | d. | all of
these |
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14.
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Three-wire circuits are more efficient and cost
effective than two-wire circuits, because they permit .
a. | fewer conductors | c. | reduced voltage drop | b. | smaller
raceways | d. | all of these |
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15.
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Improper wiring or mishandling of multi-wire branch
circuits can cause connected to the circuit.
a. | overloading of the ungrounded
conductors | b. | overloading of the
grounded conductors | c. | destruction of
equipment because of overvoltage | d. | both b and
c |
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16.
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Because of the dangers associated with the open
neutral (grounded conductor), NEC® 300.13(B) does not permit the continuity of the
to depend on a receptacle.
a. | ungrounded | c. | both a
and b | b. | grounded (neutral) | d. | none of
these |
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17.
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Split-wiring of receptacles in kitchens and other
locations where high-load appliances are used is not always practical when .
a. | decorator-type receptacles are
used | c. | Type NM cable is used | b. | GFCI receptacles are used | d. | plastic boxes are
used |
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18.
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For branch circuits rated 120 volts, 20 amperes,
and supplying two or more receptacles, the receptacles are permitted to be rated .
a. | 15 amperes | c. | 125
volts | b. | 20 amperes | d. | all of
these |
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19.
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Duplex receptacles connected to a 20-ampere, small
appliance branch circuit in kitchens and dining rooms .
a. | may be rated 15 amperes | c. | may be rated 20 amperes | b. | must be rated 15
amperes | d. | may be rated 15 or 20 amperes |
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20.
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The load for each small-appliance, branch circuit
load is required to be calculated at .
a. | 1,440 watts | c. | 1,920
watts | b. | 1,500 volt-amperes | d. | 2,400
volt-amperes |
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21.
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Outdoor weatherproof receptacles permitted to
be connected to a 20-ampere, small-appliance branch-circuit serving a kitchen or dining
area.
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22.
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The 125-volt, 20-ampere receptacles installed to
serve kitchen countertops are required to have GFCI protection .
a. | when they are within 6 feet of the
sink | b. | under all circumstances | c. | unless provided with assured grounding conductor
protection | d. | none of
these |
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23.
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The sound level rating used to define fan noise is
expressed in:
a. | sones | c. | tenor | b. | decibels | d. | range |
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24.
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Countertop receptacles must be served by at least
-ampere small appliance circuits.
a. | one 20 | c. | one
15 | b. | two 20 | d. | two
15 |
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25.
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The two small-appliance branch circuits required
for the kitchen and dining room area are intended to supply appliances.
a. | under 1/3 horsepower | c. | fixed-in-place | b. | portable | d. | all |
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26.
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Complete the wiring diagram using color pencil to
show the conductor’s insulation color o the letter indicative of each color. This drawing is
two small appliances branch circuits.
a. |  | b. |  |
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