CSLB C10 Test 1 | 120
Questions and Answers
(Verified Answers)
1. What is the minimum working clearance from an electrical panel under 600 V?
Answer> 36"
2. Voltage drop in wire is a function of
Answer> 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?
Answer> 156
4. Where may you use nonmetallic-sheathed cable?
Answer> inside floors and walls
5. What is the maximum permitted distance between convenience outlets in
1/
18
,kitchens?
Answer> 12'
6. The minimum permitted size fixture wire is
Answer> No. 18
7. What is an Erickson coupling used for?
Answer> to connect two sections of rigid conduit when one section cannot be turned
8. The smallest size grounding conductor permitted for service entrance is
Answer> -No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent device must not
exceed
Answer> 25 amps
10. A 5 kW appliance is used for 5 hours. At $0.014 per kWh, the cost of running the
appliance is
Answer> $0.35
11. If the plumber accidentally cuts installed wires, to whom should you report
the problem?
Answer> general contractor
12. What is the maximum distance to an outlet from any point along the wall
behind a kitchen counter?
2/
18
, Answer> 24"
13. Which of the following materials is not corrosive?
Answer> enamel
14. 65 street lights are fed by a 2275-volt series circuit.What is the voltage
across each light?
Answer> 35 V
15. What do you not take into consideration when doing load demand calcu-
lations?
Answer> small portable heating and cooling appliances
16. The symbol represents a
Answer> relay coil
17. A fixture that weighs more than must be supported independently
of an outlet box.
Answer> 50 lb.
18. After installing a new A/C how would you test it?
Answer> turn on the breaker and check voltage
19. The symptoms of shock are
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18
Questions and Answers
(Verified Answers)
1. What is the minimum working clearance from an electrical panel under 600 V?
Answer> 36"
2. Voltage drop in wire is a function of
Answer> 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?
Answer> 156
4. Where may you use nonmetallic-sheathed cable?
Answer> inside floors and walls
5. What is the maximum permitted distance between convenience outlets in
1/
18
,kitchens?
Answer> 12'
6. The minimum permitted size fixture wire is
Answer> No. 18
7. What is an Erickson coupling used for?
Answer> to connect two sections of rigid conduit when one section cannot be turned
8. The smallest size grounding conductor permitted for service entrance is
Answer> -No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent device must not
exceed
Answer> 25 amps
10. A 5 kW appliance is used for 5 hours. At $0.014 per kWh, the cost of running the
appliance is
Answer> $0.35
11. If the plumber accidentally cuts installed wires, to whom should you report
the problem?
Answer> general contractor
12. What is the maximum distance to an outlet from any point along the wall
behind a kitchen counter?
2/
18
, Answer> 24"
13. Which of the following materials is not corrosive?
Answer> enamel
14. 65 street lights are fed by a 2275-volt series circuit.What is the voltage
across each light?
Answer> 35 V
15. What do you not take into consideration when doing load demand calcu-
lations?
Answer> small portable heating and cooling appliances
16. The symbol represents a
Answer> relay coil
17. A fixture that weighs more than must be supported independently
of an outlet box.
Answer> 50 lb.
18. After installing a new A/C how would you test it?
Answer> turn on the breaker and check voltage
19. The symptoms of shock are
3/
18
