CSLB C10 Test 1 Questions and Answers
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
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, entrance is:: No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent
device must not exceed:: 25 amps
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 calcula- tions?: small portable heating and cooling appliances
16. The symbol represents a:: relay coil
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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
1/
14
, entrance is:: No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent
device must not exceed:: 25 amps
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 calcula- tions?: small portable heating and cooling appliances
16. The symbol represents a:: relay coil
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14
