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NCCER ELECTRICAL LEVEL 1 MODULE 11- RESIDENTAL
WIRING
1. The minimum number of small appliance circuits required by the NEC® in a kitchen
area is. **: 2
2. When sizing residential electrical services, the laundry load is calculated as
.: 1,500VA
3. When sizing the general lighting load for electric services, the first 3,000VA is rated at. **:
4. According to NEC Section 220.53, a demand factor of 75% may be applied to four or
more .: Fixed appliance loads
5. The
minimum service disconnect rating for a one-family dwelling is .: 100A
6. The general lighting load in a residence is 3,600VA at 120V. What is the amperage?: 30A
7. A single-pole GFCI breaker is rated at .:
120VAC
8. Exposed
noncurrent-carrying metal parts of fixed equipment must be grounded if the equipment operates with any terminal over .: 150V to ground
9. Which section of the NEC® requires that raceway fittings be identified for use with service masts?: NEC Section
10. Servi
2 / ce drop conductors must be located at a minimum height of .: 10' above the ground or other accessible surface
11. The clearance between a service conductor
without an overall jacket and a porch or balcony must not be less than .: 3' (900 mm)
12. NEC Section 230.6 considers conductors to be outside the building
when installed under at least. **: 2" (50 mm) of concrete
13. Type NM cable is prohibited .: In shallow chases of masonry, concrete, or adobe
14. Type MC cable is prohibited .: Where subject to physical damage
15. Wh
en used for interior wiring systems, Type SE cable is available with .- : An insulated grounded conductor
16. Type SER cable may be used .: As a subfeed under certain conditions
17. Conductors
used for electric water heaters must be sized at .: 125% of the heater's nameplate rating
18. A wall switch is required to control stairway lighting at each level
when the levels are separated by. **: six or more risers(three-way switch)
19. In a residential pool area, receptacles .: Must be at
least 6 feet from the inside walls of the pool
20. A small residence has a floor area of 900 square feet. What is its general lighting load?: 2,700(multiply
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32. The circuit that is routed to a switch box for controlling electric lights is known as .:
Switch leg
33. A is equipped with a conductor terminal to accept as a bounding jumper.: Bounding bushing
34. The is comprised of the conductors that extend from the last power company pole to the
point of connection at the secure facilities.: Service drop
35. The is the point where power is supplied to a building.: Service enterance
36. The lie between the point of termination of the overhead service drop or underground service
lateral and the main disconnecting device in the build- ing.: Service-entrance equipment
37. A is comprised of the underground conductors through which ser- vice is supplied between
the power company's distribution facility's and their first point of connection to the building.: Service lateral
38. The portion of a wiring system that extends beyond the final overcurrent device is the : Branch
circuit
39. A is a circuit conductor between the service equipment, the source of a separately derived system, or
other power supply source and the finial branch circuit overcurrent device.: Feeder
40. Normally located at the service entrance of a residential installation, a
sometimes contains the main disconnect.: Load center
41. Raceway, cables, wires, boxes, and other equipment are installed during
.: Roughing in
42. The term is general cable's trade name for type NM cable, but its often used to refer
to any nonmetallic-sheeted cable: Romex®
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43. True or False? In a residential electric service, the service can be grounded to the underground gas
piping system. **: False
44. A
duplex receptacle outlet must be installed in all hallways longer than. **: 10 feet
45. Electric ranges, clothes dryers, and water heaters that operate at 240v re- quire a(n) circuit
breaker.: Double or 2-pole
