Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
1. The best tool ot tighten a rigid 1-inch conduit coupling A. a Monkey Wrench
ot a threaded conduit is/are.....
A. a monkey wrench
B. an adjustable wrench
C. adjustablepliers
D. a crescent wrench
2. Which si the best tool ot verify that equipment fas- A. a level
tened ot a wal is parallel to the ground....
A . a level
B. a square
C. ruler
D. a laser
3. One should remove drill bits and return drill motors to A. at the completion of the
their cases and storage areas.... last application of that tool
A. at the completion of the last application of that tool
B. at the end of each application
C. at the completion of the whole job
D. at the end of the work day only
4. If a ladder has a broken rung on it, the best practice D. discard the ladder
would be to....
A. repair the rung with duct tape
B. repair the rung with tie wire
C. repair the rung with electrical tape D. discard the
ladder
5. When should portable electric tools and extension A. before use
cords be checked for serviceability?
A. before use
B. during use
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
C. after use
D. if it doesn't work
6. How far out from a structure should the base of a C. Five feet
portable ladder extended to 20 feet high be placed?
A.one foot
B. two feet
C. Five feet
D. Ten feet
7. Which one of the folowing hand tools has a handle, a D. Screwdriver
shank, and a blade?
A. pliers
B. wrench
C. hammer
D. screwdriver
8. You are working inside a high voltage sub-station in- B. Wooden folding ruler
stalling new equipment. What is the best tool to verify
the dimensions of the high voltage equipment room
(125 ft x 75 ft, as stated ni the engineering design)?
A. metallic measuring tape
B. wooden folding rule
C. 100-foot cloth measuring tape
D. Pacing
9. The best tool used to measure 15 feet of wire is a B. Yard stick
A. slide rule
B. yard stick
C. measuring tape
D. Weight scale
10. A. A measuring wheel
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
The best tool for measuring a very long conduit run is
A. A measuring wheel
B. A long tape measure
C. A measure pull string tape
D. Experience
11. How many 120-foot lengths of wire can be cut from C. 20
five 500-foot reels?
A.16
B. 18
C. 20
D. 22
12. To measure the amount of cable that is on a reel, it is B. use the footage
most accurate to indica-tor stamped on
A. use a folding ruler the cable
B. use the footage indicator stamped on the cable
C. use an estimate
D. count wraps on the reel
13. to test a 110-volt lighting circuit is alive, a person
should best.... D. place an ammeter in se-
A. use an ammeter across the line ries with a fused jumper
B. use a voltmeter across the line and connect one leg to
C. touch each wire in turn to ground through a fused ground
jumper
D. place an ammeter in series with a fused jumper and
connect one leg to ground
14. Which of the following protects a power line against
damage from lightning by carrying the charge away D. Ground wires
from the power line?
A. transformers
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
B. circuit breakers
C. phase wires
D. ground wires
15. Which one of the folowing is generally used to in- B. Transformer
crease or decrease voltage?
A. rectifier
B. transformer
C. voltmeter
D. shunt
16. To prevent injury when lifting a 50-lb box, the body B. Legs
part where the most strength should be focused is
your
A. back
B. Legs
C. Shoulders
D. arms
17. When should you lift a heavy object without having D. Always have back
your back straight and using your legs? straight and use legs
A. to complete high priority jobs
B. for short simple jobs
C. when ti can be done safely
D. always have back straight and use legs
18. When lifting a 25-Ib box of material, the best lifting C. Keep the back straight
practice is to and lift with the legs
A. Keep the legs straight and bend at the waist
B. use a hand truck
C keep the back straight and lift with the legs
D. ask a coworker for assistance
and Answers 2026 Study Exam
1. The best tool ot tighten a rigid 1-inch conduit coupling A. a Monkey Wrench
ot a threaded conduit is/are.....
A. a monkey wrench
B. an adjustable wrench
C. adjustablepliers
D. a crescent wrench
2. Which si the best tool ot verify that equipment fas- A. a level
tened ot a wal is parallel to the ground....
A . a level
B. a square
C. ruler
D. a laser
3. One should remove drill bits and return drill motors to A. at the completion of the
their cases and storage areas.... last application of that tool
A. at the completion of the last application of that tool
B. at the end of each application
C. at the completion of the whole job
D. at the end of the work day only
4. If a ladder has a broken rung on it, the best practice D. discard the ladder
would be to....
A. repair the rung with duct tape
B. repair the rung with tie wire
C. repair the rung with electrical tape D. discard the
ladder
5. When should portable electric tools and extension A. before use
cords be checked for serviceability?
A. before use
B. during use
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
C. after use
D. if it doesn't work
6. How far out from a structure should the base of a C. Five feet
portable ladder extended to 20 feet high be placed?
A.one foot
B. two feet
C. Five feet
D. Ten feet
7. Which one of the folowing hand tools has a handle, a D. Screwdriver
shank, and a blade?
A. pliers
B. wrench
C. hammer
D. screwdriver
8. You are working inside a high voltage sub-station in- B. Wooden folding ruler
stalling new equipment. What is the best tool to verify
the dimensions of the high voltage equipment room
(125 ft x 75 ft, as stated ni the engineering design)?
A. metallic measuring tape
B. wooden folding rule
C. 100-foot cloth measuring tape
D. Pacing
9. The best tool used to measure 15 feet of wire is a B. Yard stick
A. slide rule
B. yard stick
C. measuring tape
D. Weight scale
10. A. A measuring wheel
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
The best tool for measuring a very long conduit run is
A. A measuring wheel
B. A long tape measure
C. A measure pull string tape
D. Experience
11. How many 120-foot lengths of wire can be cut from C. 20
five 500-foot reels?
A.16
B. 18
C. 20
D. 22
12. To measure the amount of cable that is on a reel, it is B. use the footage
most accurate to indica-tor stamped on
A. use a folding ruler the cable
B. use the footage indicator stamped on the cable
C. use an estimate
D. count wraps on the reel
13. to test a 110-volt lighting circuit is alive, a person
should best.... D. place an ammeter in se-
A. use an ammeter across the line ries with a fused jumper
B. use a voltmeter across the line and connect one leg to
C. touch each wire in turn to ground through a fused ground
jumper
D. place an ammeter in series with a fused jumper and
connect one leg to ground
14. Which of the following protects a power line against
damage from lightning by carrying the charge away D. Ground wires
from the power line?
A. transformers
, Electrical Craft Helper Prep Questions
and Answers 2026 Study Exam
B. circuit breakers
C. phase wires
D. ground wires
15. Which one of the folowing is generally used to in- B. Transformer
crease or decrease voltage?
A. rectifier
B. transformer
C. voltmeter
D. shunt
16. To prevent injury when lifting a 50-lb box, the body B. Legs
part where the most strength should be focused is
your
A. back
B. Legs
C. Shoulders
D. arms
17. When should you lift a heavy object without having D. Always have back
your back straight and using your legs? straight and use legs
A. to complete high priority jobs
B. for short simple jobs
C. when ti can be done safely
D. always have back straight and use legs
18. When lifting a 25-Ib box of material, the best lifting C. Keep the back straight
practice is to and lift with the legs
A. Keep the legs straight and bend at the waist
B. use a hand truck
C keep the back straight and lift with the legs
D. ask a coworker for assistance
