Electrical Services" NCCER exam review
Q&A
An example of a location in a dwelling where a receptacle must have GFCI protection is
a - Answer-garage
A type of cable with a corrugated sheath that has a maximum bend radius of 7 times the
cable diameter is _____. - Answer-Type MC
a residence with 1,000 square feet of living space has a general lighting load of _____. -
Answer-3,000 VA
According to the NEC®, the small appliance loads in each kitchen area of a dwelling
must be served by at least _____. - Answer-a. Two 120V, 20A small appliance branch
circuits
The NEC® article that provides the rules for demand factors is _____. - Answer-NEC
Article 220
The NEC® allows the load calculation for the grounded neutral conductor supplying
electric ranges and dryers to have a demand factor of _____. - Answer-70%
The square footage of living space in the home in Figure 1 is ____ - Answer-1200 ft
The NEC® general lighting load for the home in Figure 1 is _____. - Answer-3600VA
Applying the correct demand factors, the net general lighting load for the residence in
Figure 1 is _____. - Answer-3210VA
Which of the following must never be used as a grounding electrode? - Answer-a metal
under-ground gas piping system
The minimum clearance of service drop conductors over a residential driveway is
reduced to 12' (3.7 m) when the voltage is limited to _____. - Answer-300v to ground
The NEC® article that lists the requirements for installing a service disconnect is _____.
- Answer-NEC article 230
Romex® is another name for _____. - Answer-type NM cables
Cables routed through bored holes in framing members must maintain a distance from
the nearest edge of not less than _____. - Answer-1-1/4" (32mm)