CSLB C10 TEST 1 (ACTUAL 2025/2026) QUESTIONS
AND VERIFIED CORRECT ANSWERS | RATED A+ |
LATEST
What is the minimum working clearance from an electrical
panel under 600 V?
36"
Voltage drop in wire is a function of:
Wire gauge, Length of wire, Current flow in the wire
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?
156
Of the following subtrades, which one must yield in the case
of a dispute?
,concrete
The following should not be used on a live circuit:
ohmmeter
Which of the following applies to solar panels, metal frames,
and metal mounting equipment on a roof-mounted PV
system?
They must be bonded and grounded.
With what should you treat a burn at a jobsite?
loose bandage only
,What type of insulation is needed underground?
THW
One million watts equal one:
megawatt
The maximum voltage for a plug fuse is
125 V
What is a troffer fixture?
A recessed lighting fixture in a suspended ceiling system
, When flexibility is not required, AC cable should be stapled
or strapped _____ from a box.
1'
A house is approximately 2300 sq ft and has all-electric major
and minor appliances (e.g., washer, dryer, furnace, and A/C).
The ground conductor for the above system is at least:
No. 8
Service drops over public streets, sidewalks, and commercial
areas subject to truck traffic must have a minimum clearance
of _____ from final grade.
18'
AND VERIFIED CORRECT ANSWERS | RATED A+ |
LATEST
What is the minimum working clearance from an electrical
panel under 600 V?
36"
Voltage drop in wire is a function of:
Wire gauge, Length of wire, Current flow in the wire
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?
156
Of the following subtrades, which one must yield in the case
of a dispute?
,concrete
The following should not be used on a live circuit:
ohmmeter
Which of the following applies to solar panels, metal frames,
and metal mounting equipment on a roof-mounted PV
system?
They must be bonded and grounded.
With what should you treat a burn at a jobsite?
loose bandage only
,What type of insulation is needed underground?
THW
One million watts equal one:
megawatt
The maximum voltage for a plug fuse is
125 V
What is a troffer fixture?
A recessed lighting fixture in a suspended ceiling system
, When flexibility is not required, AC cable should be stapled
or strapped _____ from a box.
1'
A house is approximately 2300 sq ft and has all-electric major
and minor appliances (e.g., washer, dryer, furnace, and A/C).
The ground conductor for the above system is at least:
No. 8
Service drops over public streets, sidewalks, and commercial
areas subject to truck traffic must have a minimum clearance
of _____ from final grade.
18'
