CSLB C10 Test 1 120 Questions with 100% Correct Answers 202425 update

1. What isthe minimum working clearance from an electrical panel under 600V?CORRECT ANSWER: 36" 2. Voltage drop in wire is a function of: CORRECT ANSWER: Wire gauge, Length of wire, Current flowinthe wire 3. A12-voltdirect current,13-wattfluorescentlightis controlled by a photocell.The average daily ontime 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 isthe maximum permitted distance between convenience outlets inkitchens?: CORRECT ANSWER 12' 6. The minimum permitted size fixture wire is: CORRECT ANSWER: No. 18 7. Whatis anEricksoncouplingusedfor?: CORRECT ANSWER toconnecttwo sectionsofrigid conduit when one section cannot be turned 8. The smallestsize grounding conductor permitted forservice entrance is: CORRECT ANSWER: - No. 8 copper 9. For an electric appliance with a 17.5A load,the overcurrent device must notexceed: CORRECT ANSWER: 25 amps 10. A5 kWapplianceis usedfor 5hours.At $0.014per kWh,the cost ofrunningthe appliance is: CORRECT ANSWER: $0.35 11. Ifthe plumber accidentally cutsinstalled wires,to whom should you reportthe problem?: CORRECT ANSWER general contractor 12. What isthe maximum distance to an outlet from any point along the wallbehind 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 voltageacross 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:relay coil