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WorksheetsNCCER Practice Exam PT 11
Total questions: 25
Worksheet time: 13mins
What is the minimum number of small-appliance circuits required by the NEC® in a kitchen area?
3
2
1
4
When sizing the general lighting load for electric services, the first 3,000VA is rated at what percentage?
85%
100%
50%
65%
According to NEC Section 220.53, a demand factor of 75% may be applied to four or more of what?
heating loads
air conditioning loads
fixed appliances
electric stoves
When sizing residential electric services, the laundry load is calculated as what?
1,800VA
1,500VA
2,400VA
1,200VA
What is the minimum service disconnect rating for a one-family dwelling?
250A
60A
100A
200A
A single-pole GFCI breaker is rated at what?
240/480VAC
240VAC
120VAC
120/240VAC
Exposed noncurrent-carrying metal parts of fixed equipment must be grounded if the equipment operates with any terminal over ______.
240V to ground
120V to ground
150V to ground
60V to ground
The general lighting load in a residence is 3,600VA at 120V. What is the amperage?
60A
20A
45A
30A
Which section of the NEC® requires that hubs intended for use with raceway-type service masts be identified for such use?
NEC Section 250.81
NEC Section 250.46
NEC Section 230.28
NEC Section 230.40
The clearance between a service conductor without an overall jacket and a porch or balcony must not be less than ______.
2' (600 mm)
3' (900 mm)
8' (2.5m)
10' (3m)
What NEC® section provides rules for locating service disconnecting means?
NEC Section 110.26
NEC Section 230.70(A)(1)
NEC Section 240.24
NEC Section 230.9
Service drop conductors must be located at a minimum height of ______.
12' above the ground or other accessible surface
10' above the ground or other accessible surface
8' above the ground or other accessible surface
6' above the ground or other accessible surface
Type NM cable is prohibited ______.
in shallow chases of masonry, concrete, or adobe
where used with protective strips
in the framework of a building
in attic spaces
When used for interior wiring systems, Type SE cable is available with ______.
a) a non-insulated ground or neutral conductor
b) guard strips
c) an insulated grounded conductor
d) no ground conductor
Type MC cable is prohibited ______.
a) in concrete or plaster where dry
b) in attic spaces
c) where subject to physical damage
d) in dry masonry
The symbol in Figure RQ06 indicates a ______30A.
a) split-wired receptacle
b) special-purpose outlet
c) duplex receptacle
d) dryer receptacle
In a residential pool area, receptacles ______.
a) must be at least 6' from the inside walls of the pool
b) must be approved for providing power to underwater lighting fixtures
c) are not allowed within the fenced area
d) are only allowed if required by the pool manufacturer
Conductors used for electric water heaters with a capacity of 120 gallons or less must be sized at ______.
a) 100% of the heater’s nameplate rating
b) 70% of the heater’s nameplate rating
c) 95% of the heater’s nameplate rating
d) 125% of the heater’s nameplate rating
Type SER cable may be used ______.
in overhead applications
in hazardous locations
as a subfeed under certain conditions
underground
The symbol in Figure RQ05 indicates a ______.
split-wired receptacle
range receptacle
special-purpose outlet
duplex receptacle
A wall switch is required to control stairway lighting at each level when the levels are separated by ______.
five or more risers
three or more risers
six or more risers
four or more risers
The symbol in Figure RQ02 indicates a ______50A.
range receptacle
duplex receptacle
split-wired receptacle
dryer receptacle
The symbol in Figure RQ04 indicates a ______.
single receptacle
duplex receptacle
split-wired receptacle
range receptacle
The symbol in Figure RQ01 indicates a ______.
single receptacle
special-purpose outlet
range receptacle
duplex receptacle
The symbol in Figure RQ03 indicates a ______.
single receptacle
duplex receptacle
range receptacle
duplex receptacle special-purpose outlet
