LADWP Electrical Craft Helper Test Bank 2026 | Latest
Update | Graded A+
1. If a worker needs to reach a light fixture that is 9 feet high, what should they
consider when using a 10-foot ladder?
They should consider using a taller ladder or ensuring proper safety
measures.
They can safely use the 10-foot ladder without any additional
precautions.
They should use a 6-foot ladder instead.
They should use the 10-foot ladder and stand on the top rung.
2. What is the minimum oxygen level percentage that defines a confined space
as hazardous?
21.0%
19.5%
18.0%
20.9%
3. What is the name of the knot that is commonly used to tie in the middle of a
line?
Figure-eight knot
Clove hitch
Bowline knot
Square knot
,4. What is one essential piece of safety equipment required when working in a
residential street?
Hard hat
Safety goggles
Gloves
Reflective vest
5. A transformer with a primary voltage of 240 volts, a secondary voltage of 120
volts, and a secondary current of 20 amperes will have an input current of
most nearly _____ amperes.
5
10
40
20
6. What is the cost of one piece of equipment if 5 pieces cost $237.28?
$47.46
$45.00
$48.00
$50.00
7. Discuss why saws might be considered more useful than other metalworking
tools for specific tasks.
Saws are primarily used for wood and not for metal.
Saws are only effective for cutting soft metals.
, Saws are versatile and can handle various metal cutting tasks
effectively.
Saws are less efficient than milling machines in all cases.
8. Which tool is commonly used to measure lengths of wire accurately?
Wire cutter
Multimeter
Screwdriver
Tape measure
9. If you are busy and a colleague urgently needs information that could impact
a project deadline, what should you do?
Quickly provide the necessary information to help meet the
deadline.
Suggest they find the information themselves.
Tell them to wait until you finish your tasks.
Ask them to submit a formal request for information.
10. When lifting a heavy object, which of the following would prevent you from
being injured?
All of these
Bend from hips and knees, not waist
Avoid twisting
Maintain a broad base of support
If too heavy, always get help
, 11. In a scenario where you need to secure a load to a post using a line, which
hitch would be most effective to ensure the load remains stable during
transport?
A clove hitch
A square knot
A bowline knot
A slip knot
12. What should you do if you suspect your truck is overloaded?
Report the issue to the equipment operator.
Unload the truck yourself.
Continue driving as normal.
Ignore the situation.
13. To test whether a 110-volt lighting circuit is alive,
use an ammeter across the line
touch each wire in turn to ground
touch the ends of the wires together
use a voltmeter across the line
14. Describe the importance of pulling over when you hear a siren while driving.
You should only pull over if you see the emergency vehicle.
It is a legal requirement that has no real impact.
Pulling over allows emergency vehicles to pass safely and quickly.
It is only necessary if the siren is very loud.
Update | Graded A+
1. If a worker needs to reach a light fixture that is 9 feet high, what should they
consider when using a 10-foot ladder?
They should consider using a taller ladder or ensuring proper safety
measures.
They can safely use the 10-foot ladder without any additional
precautions.
They should use a 6-foot ladder instead.
They should use the 10-foot ladder and stand on the top rung.
2. What is the minimum oxygen level percentage that defines a confined space
as hazardous?
21.0%
19.5%
18.0%
20.9%
3. What is the name of the knot that is commonly used to tie in the middle of a
line?
Figure-eight knot
Clove hitch
Bowline knot
Square knot
,4. What is one essential piece of safety equipment required when working in a
residential street?
Hard hat
Safety goggles
Gloves
Reflective vest
5. A transformer with a primary voltage of 240 volts, a secondary voltage of 120
volts, and a secondary current of 20 amperes will have an input current of
most nearly _____ amperes.
5
10
40
20
6. What is the cost of one piece of equipment if 5 pieces cost $237.28?
$47.46
$45.00
$48.00
$50.00
7. Discuss why saws might be considered more useful than other metalworking
tools for specific tasks.
Saws are primarily used for wood and not for metal.
Saws are only effective for cutting soft metals.
, Saws are versatile and can handle various metal cutting tasks
effectively.
Saws are less efficient than milling machines in all cases.
8. Which tool is commonly used to measure lengths of wire accurately?
Wire cutter
Multimeter
Screwdriver
Tape measure
9. If you are busy and a colleague urgently needs information that could impact
a project deadline, what should you do?
Quickly provide the necessary information to help meet the
deadline.
Suggest they find the information themselves.
Tell them to wait until you finish your tasks.
Ask them to submit a formal request for information.
10. When lifting a heavy object, which of the following would prevent you from
being injured?
All of these
Bend from hips and knees, not waist
Avoid twisting
Maintain a broad base of support
If too heavy, always get help
, 11. In a scenario where you need to secure a load to a post using a line, which
hitch would be most effective to ensure the load remains stable during
transport?
A clove hitch
A square knot
A bowline knot
A slip knot
12. What should you do if you suspect your truck is overloaded?
Report the issue to the equipment operator.
Unload the truck yourself.
Continue driving as normal.
Ignore the situation.
13. To test whether a 110-volt lighting circuit is alive,
use an ammeter across the line
touch each wire in turn to ground
touch the ends of the wires together
use a voltmeter across the line
14. Describe the importance of pulling over when you hear a siren while driving.
You should only pull over if you see the emergency vehicle.
It is a legal requirement that has no real impact.
Pulling over allows emergency vehicles to pass safely and quickly.
It is only necessary if the siren is very loud.
