CSLB C10 Test 1
1. What is the minimum working clearance from an electrical panel under
600 V?: 36"
2. Voltage drop in wire is a function of:: Wire gauge, Length of wire,
Current flow in the wire
3.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?: 156
4. Where may you use nonmetallic-sheathed cable?: inside floors and walls
5. What is the maximum permitted distance between convenience outlets
in kitchens?: 12'
6. The minimum permitted size fixture wire is:: No. 18
7.What is an Erickson coupling used for?: to connect two sections of rigid
conduit when one section cannot be turned
8. The smallest size grounding conductor permitted for service entrance
is:: -
No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent device must
not exceed:: 25 amps
1/6
,10.A 5 kW appliance is used for 5 hours. At $0.014 per kWh, the cost of
running the appliance is:: $0.35
11.If the plumber accidentally cuts installed wires, to whom should you
report the problem?: general contractor
12.What is the maximum distance to an outlet from any point along the
wall behind a kitchen counter?: 24"
13.Which of the following materials is not corrosive?: enamel
14.65 street lights are fed by a 2275-volt series circuit. What is the
voltage across each light?: 35 V
15.What do you not take into consideration when doing load demand
calcu- lations?: small portable heating and cooling appliances
16.The symbol represents a:: relay coil
17.A fixture that weighs more than must be supported
independently of an outlet box.: 50 lb.
2/6
, 18.After installing a new A/C how would you test it?: turn on the breaker
and check voltage
3/6
1. What is the minimum working clearance from an electrical panel under
600 V?: 36"
2. Voltage drop in wire is a function of:: Wire gauge, Length of wire,
Current flow in the wire
3.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?: 156
4. Where may you use nonmetallic-sheathed cable?: inside floors and walls
5. What is the maximum permitted distance between convenience outlets
in kitchens?: 12'
6. The minimum permitted size fixture wire is:: No. 18
7.What is an Erickson coupling used for?: to connect two sections of rigid
conduit when one section cannot be turned
8. The smallest size grounding conductor permitted for service entrance
is:: -
No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent device must
not exceed:: 25 amps
1/6
,10.A 5 kW appliance is used for 5 hours. At $0.014 per kWh, the cost of
running the appliance is:: $0.35
11.If the plumber accidentally cuts installed wires, to whom should you
report the problem?: general contractor
12.What is the maximum distance to an outlet from any point along the
wall behind a kitchen counter?: 24"
13.Which of the following materials is not corrosive?: enamel
14.65 street lights are fed by a 2275-volt series circuit. What is the
voltage across each light?: 35 V
15.What do you not take into consideration when doing load demand
calcu- lations?: small portable heating and cooling appliances
16.The symbol represents a:: relay coil
17.A fixture that weighs more than must be supported
independently of an outlet box.: 50 lb.
2/6
, 18.After installing a new A/C how would you test it?: turn on the breaker
and check voltage
3/6
