1.- Explain how to determine the number of general lighting circuits.
2.- How many 20A general lighting circuits would be needed to satisfy the minimum code requirements for a 3000 sq.
ft. Residence?
3.- The two kitchen and one laundry circuits should be rated _______________amperes, ______________ volts, and wired with AWG No.? __________________conductors.
4.- Name three places where GFCI receptacles are required.
5.- A garage door opener (must have-does not need) a GFCI protected circuit.
6.- Explain what is meant by:
a) ground fault
b) short circuit
7.- What is the minimum size grounding conductor permitted for grounding raceways of equipment of a 60A circuit?
8.- It is permitted to clamp telephone conductors to the electrical service entrance.
a) True b) False
9.- A 200 amps service entrance needs AWG conductors __________________, AWG ground conductor______________ and service entrance conduit __________________.
10.- The grounding electrode should be buried under grade level __________________ft.
11.- A 5000 W, 240 V heater has a current equal to ____________________Amps.
12.- The power loss in Watts for a conductor that carries 30 Amps and has a voltage drop of 7 Volts is _________________________.
13.- For a 3600 sq. ft. unit with the following loads:
1500 VA dishwasher
1000 VA disposal
8000 VA range
5000 VA W.H.
4500 VA dryer
8500 VA A/C
Calculate:
a) The feeder conductor size
b) The grounding copper conductor size