CSLB C10 Test 1 Questions and Answers
Updated Latest (Verified Answers)
1. What is the minimum working clearance from an electrical panel under 600 V?
g
ANSWER: 36"
g
2. Voltage drop in wire is afunction of
ANSWER: Wiregauge, Length of wire, Currentflow in the wire
g
3. A12-voltdirectcurrent,13-
wattfluorescentlight iscontrolledbyaphotocell. The average daily on-
g
time is 12 hours per day. How many watt-
hours are consumed by the light on an average day?
ANSWER: 156
g
4. Where may you use nonmetallic-sheathed cable?
ANSWER: inside floors and walls
5. What is the maximum permitted distance between convenience outlets in kitchens?
ANSWER: 12'
g
6. The minimum permitted size fixture wire is
ANSWER: No.18
1/2
,7. WhatisanEricksoncouplingusedfor?
ANSWER: toconnecttwosectionsofrigidconduit when one section cannot be turned
8. The smallest sizegrounding conductor permitted forservice entrance is
g g
ANSWER:-No.8 copper
9. Foranelectricappliancewith a17.5Aload,theovercurrentdevicemustnot exceed
ANSWER: 25 amps
g
10. A5kWapplianceisusedfor5hours.At $0.014per kWh,thecostofrunning the appliance
g
is
ANSWER: $0.35
g
11. Iftheplumberaccidentallycutsinstalledwires,towhomshouldyoureport the problem
?
ANSWER: general contractor
g
12. What is the maximum distance to an outlet from anypoint along the wall behind a kit
chen counter?
ANSWER: 24"
g
13. Which of the following materials is not corrosive?
ANSWER: enamel
14. 65 street lights are fed by a 2275-
2/2
, volt series circuit.What is the voltage across each light?
ANSWER: 35 V g
15. What doyou not take into consideration when doing load demand calcu- lations?
ANSWER: small portable heating and cooling appliances
g
16. The symbol represents a
ANSWER: relay coil
17. A fixture that weighs more than
g
mustbe supported independently of an outlet box.
ANSWER: 50 lb. g
18. After installing a new A/C how wouldyou test it?
ANSWER: turn on the breaker and check voltage
g
3/2
Updated Latest (Verified Answers)
1. What is the minimum working clearance from an electrical panel under 600 V?
g
ANSWER: 36"
g
2. Voltage drop in wire is afunction of
ANSWER: Wiregauge, Length of wire, Currentflow in the wire
g
3. A12-voltdirectcurrent,13-
wattfluorescentlight iscontrolledbyaphotocell. The average daily on-
g
time is 12 hours per day. How many watt-
hours are consumed by the light on an average day?
ANSWER: 156
g
4. Where may you use nonmetallic-sheathed cable?
ANSWER: inside floors and walls
5. What is the maximum permitted distance between convenience outlets in kitchens?
ANSWER: 12'
g
6. The minimum permitted size fixture wire is
ANSWER: No.18
1/2
,7. WhatisanEricksoncouplingusedfor?
ANSWER: toconnecttwosectionsofrigidconduit when one section cannot be turned
8. The smallest sizegrounding conductor permitted forservice entrance is
g g
ANSWER:-No.8 copper
9. Foranelectricappliancewith a17.5Aload,theovercurrentdevicemustnot exceed
ANSWER: 25 amps
g
10. A5kWapplianceisusedfor5hours.At $0.014per kWh,thecostofrunning the appliance
g
is
ANSWER: $0.35
g
11. Iftheplumberaccidentallycutsinstalledwires,towhomshouldyoureport the problem
?
ANSWER: general contractor
g
12. What is the maximum distance to an outlet from anypoint along the wall behind a kit
chen counter?
ANSWER: 24"
g
13. Which of the following materials is not corrosive?
ANSWER: enamel
14. 65 street lights are fed by a 2275-
2/2
, volt series circuit.What is the voltage across each light?
ANSWER: 35 V g
15. What doyou not take into consideration when doing load demand calcu- lations?
ANSWER: small portable heating and cooling appliances
g
16. The symbol represents a
ANSWER: relay coil
17. A fixture that weighs more than
g
mustbe supported independently of an outlet box.
ANSWER: 50 lb. g
18. After installing a new A/C how wouldyou test it?
ANSWER: turn on the breaker and check voltage
g
3/2
