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WorksheetsET 26111
Total questions: 20
Worksheet time: 10mins
Branch circuits for water heaters having a capacity of less than 120 gallons in residential calculations, are considered which of the following?
a continuous load
not included in the load calculation
sized at 80% of the nameplate rating
sized at 100% of the nameplate rating
Which is a location in a dwelling unit requiring GFCI protection?
dining room
garage
bedroom
living room
When exceeding which of the following weights, ceiling fan boxes must be marked with the MAXIMUM support weight?
30lb
35lb
50lb
70lb
What are conductors that extend from the panelboard overcurrent protection devices to various lighting outlets called?
main circuits
branch circuits
service-entrance conductors
grounding electrode conductors
Where is the main bonding jumper located?
ground rod clamp conductor
secondary side of transformer
last branch circuit conductor
service disconnect enclosure
Which NEC Article covers equipment grounding and equipment grounding conductors?
210
250
310
430
What is the living area of a residence with outside dimensions of 30' by 30' including a 250 sq ft carport?
650ft squared
900ft squared
1,150ft squared
1,500ft squared
According to the NEC, a branch circuit is defined as the point of the wiring system extending beyond which of the following?
the final laundry room circuit
the final recessed light fixture
the final small appliance circuit
the final overcurrent protection device
True or False? Per NEC Section 220.5(C) an open carport is considered part of living space?
True
False
Which is an NEC requirement for any outlet that supplies power to a residential hot tub?
GFCI protected
240V, single phase
must have a fusible disconnect
less than 4' from the panel board
On a typical receptacle, where is the equipment grounding conductor attached?
brass screw
black screw
silver screw
green screw
Which NEC article covers the installation of hot tubs?
310
480
505
680
Where can the requirement for switch location in dwelling units be found?
NEC Article 200
NEC Article 210
NEC Article 240
NEC Article 404
To control a device from three locations, a four-way switch must be used with which of the following?
1 three-way switch
2 three-way switches
3 three-way switches
4 three-way swithces
According to NEC Section 230.6, what are conductors installed under a 2" slab (residential) considered?
inside the house, and a disconnect is required at the meter base
inside the house, and no disconnect is required at the meter base
outside the house, and a disconnect is required at the meter base
outside the house, and no disconnect is required at the meter base
When the voltage is limited to 300V to ground, what is the MINIMUM clearance of service drop conductors over a residential driveway reduced to?
8'
10'
12'
15'
What is a cable designed for direct burial?
Type AC
Type SE
Type NM
Type UF
When used as an outside service-entrance conductor, how must an SE cable be secured?
within 12" of each termination point
within 15" of each termination point
within 18" of each termination point
within 24" of each termination point
Where are raceways MOST likely to be used in residential construction?
run in walls
embedded in concrete
run behind kitchen coutertops
installed in finished basements
What NEC article list the requirements of installing a service disconnect?
200
210
220
230
