Question #3
A surge arrestor for a 480 volt electrical system requires a connecting conductor that is #14 copper or larger.
A. True
B. False
Question #4
If a single family dwelling unit has 2680 square feet of living space and all of the 120 volt general illumination circuits are rated at 15 amperes, then the minimum number of circuits required is which of the following:
A. 5
B. 6
C. 7
D. 8
Question #5
A single family dwelling with 2400 square feet of living area has a 120/240 volt three-wire electrical service and contains the following:
3.5 kW 240 volt electric water heater,
12 kW electric range,
1.5 horsepower 240 volt central air conditioner,
1/2 horsepower 120 volt garbage disposal,
1/3 horsepower 120 volt furnace blower motor, a 1.2 kW 120 volt dishwasher, and
5 kW clothes dryer.
The total minimum load required for the general illumination, small appliances, and laundry without any demand factors would be which of the following:
A. 1500 VA
B. 7200 VA
C. 11700 VA
D. 15000 VA
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