CSLB C10 Test 1 | 120 Questions and Answers (2024 / 2025) (Verified By Experts).
CSLB C10 Test 1 | 120 Questions and Answers (2024 / 2025) (Verified By Experts).
CSLB C10 Test 1 | 120 Questions and Answers (2024 / 2025) (Verified By Experts).
CSLB C10 Test 1 | 120 Questions and Answers (20...
CSLB C10 Test 1 | 120 Questions and Answers () (Verified By Experts).
1. What is the minimum working clearance from an electrical panel under 600 V? -
CORRECT ANSWER - 36"
2. Voltage drop in wire is a function of - CORRECT ANSWER - - CORRECT 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? - CORRECT ANSWER - 156
4. Where may you use nonmetallic-sheathed cable? - CORRECT ANSWER - inside floors
and walls
5. What is the maximum permitted distance between convenience outlets in kitchens? -
CORRECT ANSWER - 12'
6. The minimum permitted size fixture wire is - CORRECT ANSWER - - CORRECT
ANSWER - No. 18
7. What is an Erickson coupling used for? - CORRECT 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 - CORRECT
ANSWER - - CORRECT ANSWER - -
No. 8 copper
9. For an electric appliance with a 17.5 A load, the overcurrent device must not exceed -
CORRECT ANSWER - - CORRECT 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 - CORRECT ANSWER - - CORRECT ANSWER - $0.35
11. If the plumber accidentally cuts installed wires, to whom should you report the
problem? - CORRECT ANSWER - general contractor
12. What is the maximum distance to an outlet from any point along the wall behind a
kitchen counter? - CORRECT ANSWER - 24"
13. Which of the following materials is not corrosive? - CORRECT ANSWER - enamel
14. 65 street lights are fed by a 2275-volt series circuit. What is the voltage across
each light? - CORRECT ANSWER - 35 V
15. What do you not take into consideration when doing load demand calcu- lations? -
CORRECT ANSWER - small portable heating and cooling appliances
16. The symbol represents a - CORRECT ANSWER - - CORRECT ANSWER - relay coil
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, 17. A fixture that weighs more than must be supported independently of an
outlet box. - CORRECT ANSWER - 50 lb.
18. After installing a new A/C how would you test it? - CORRECT ANSWER - turn on
the breaker and check voltage
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