- | Page
CSLB C10 TEST 1| 180 QUESTIONS
& ANSWERS CORRECT
100%(RATED A)
Question : What is the minimum working clearance from
an electrical panel under 600 V?
Correct answer: 36"
Question : Voltage drop in wire is a function of:
Correct answer: Wire gauge, Length of wire, Current flow
in the wire
Question : A 12-volt direct current, 13-watt fluorescent
light is controlled by a photocell. The average daily on- time is 12 hours per day. How many watt-hours are consumed by the light on an average day?
Correct answer: 156
Question : Where may you use nonmetallic-sheathed
cable?
Correct answer: inside floors and walls
- | Page
Question : What is the maximum permitted distance
between convenience outlets in kitchens?
Correct answer: 12'
Question : The minimum permitted size fixture wire is:
Correct answer: No. 18
Question : What is an Erickson coupling used for?
Correct answer: to connect two sections of rigid conduit
when one section cannot be turned
Question : The smallest size grounding conductor
permitted for service entrance is:
Correct answer: No. 8 copper
Question : For an electric appliance with a 17.5 A load,
the overcurrent device must not exceed:
Correct answer: 25 amps
- | Page
Question : A 5 kW appliance is used for 5 hours. At
$0.014 per kWh, the cost of running the appliance is:
Correct answer: $0.35
Question : If the plumber accidentally cuts installed wires,
to whom should you report the problem?
Correct answer: general contractor
Question : What is the maximum distance to an outlet
from any point along the wall behind a kitchen counter?
Correct answer: 24"
Question : Which of the following materials is not
corrosive?
Correct answer: enamel
Question : 65 street lights are fed by a 2275-volt series
circuit. What is the voltage across each light?
Correct answer: 35 V
- | Page
Question : What do you not take into consideration when
doing load demand calculations?
Correct answer: small portable heating and cooling
appliances
Question : The symbol represents a:
Correct answer: relay coil
Question : A fixture that weighs more than ______ must
be supported independently of an outlet box.
Correct answer: 50 lb.
Question : After installing a new A/C how would you test
it?
Correct answer: turn on the breaker and check voltage
Question : The symptoms of shock are: