CSLB C10 Test 1 | 120 Questions with 100% CORRECT ANSWER s
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
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
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
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: