CSLB C10 Test 1 | 120 Questions and Answers (2025 / 2026) (Verified Answers)

CSLB C10 TEST 1 | 120 QUESTIONS AND ANSWERS ()
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1. What is the minimum working clearance from an electrical panel under 600 V?
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answer>> 36" q




2. Voltage drop in wire is a function of:
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q answer>> Wire gauge, Length of wire, Current flow in the wire
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3. A 12-volt direct current, 13-watt fluorescent light is controlled by a photocell. The average daily on-time
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q is 12 hours per day. How many watt-hours are consumed by the light on an average day?
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qqqq answer>> 156 qq




4. Where may you use nonmetallic-sheathed cable?
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q answer>> insidefloorsandwalls qq q q q




5. What is the maximum permitted distance between convenience outlets in kitchens?
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1 q/ q
17

,qqqqq answer>> 12' qq




6. The minimum permitted size fixture wire is:
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answer>> No. 18
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7. What is an Erickson coupling used for?
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qqqq answer>> toconnecttwosectionsofrigidconduitwhenonesection cannot be turned
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8. The smallest size grounding conductor permitted for service entrance is:
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qqqq answer>> No. 8 copper q q q q




9. For an electric appliance with a 17.5 A load, the overcurrent device must not exceed:
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qqqq answer>> 25amps qq q




10. A 5 kW appliance is used for 5 hours. At $0.014 per kWh, the cost of running the appliance is:
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qqqq answer>> $0.35 qq




11. If the plumber accidentally cuts installed wires, to whom should you report the problem?
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qqqqqqq answer>> general contractor qq q




12. What is the maximum distance to an outlet from any point along the wall behind a kitchen
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q counter? qq




qqqqqqq answer>> 24" qq




13. Which of the following materials is not corrosive?
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answer>> enamel
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14. 65 street lights are fed by a 2275-volt series circuit. What is the voltage across each light?
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2 q/ q
17

, qqqqqqq answer>> 35 V qq q




15. What do you not take into consideration when doing load demand calcula- tions?
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qqqqqqqq q answer>> small portable heating and cooling appliances
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16. The symbol represents a:
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answer>> relaycoil
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3 q/ q
17