Certified Lineman Journeyman Exam

Certified Lineman Journeyman Exam Practice Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• Which of the following is the most important factor when climbing a

utility pole?

• Speed
• Wearing comfortable clothing
• Proper use of climbing equipment and PPE
• Pole height

Rationale: Proper use of climbing equipment and personal protective

equipment (PPE) is essential to prevent falls and ensure safety while working on poles.

• What is the minimum approach distance to a 7.2 kV energized line

according to OSHA standards?

• 1 foot 1 / 4

• 2 feet 4 inches
• 3 feet
• 4 feet

Rationale: OSHA specifies minimum approach distances to prevent

accidental contact with live lines; for 7.2 kV, it is 2 feet 4 inches.

• Which type of grounding is used to protect workers from accidental

energization of lines?

• Equipment grounding
• Personal protective grounding (PPE grounding)
• Neutral grounding
• System grounding

Rationale: Personal protective grounding is applied to de-energized lines to

create a safe path for fault current, protecting workers from accidental energization.

• What is the primary function of a transformer on a distribution line?
• Increase current
• Measure voltage
• Change voltage levels
• Provide lightning protection

Rationale: Transformers are used to step up or step down voltage to

appropriate levels for distribution and end-user use. 2 / 4

• Which of the following is the primary hazard when using bucket trucks

near energized lines?

• Falling from bucket
• Overloading the bucket
• Electrocution due to contact with energized conductors
• Mechanical failure

Rationale: Electrocution is the primary hazard; proper distance and

insulated equipment are critical.

• When performing a line splice, which tool is essential for ensuring a

safe and reliable connection?

• Hammer
• Screwdriver
• Lineman pliers and wire connectors
• Wrench

Rationale: Lineman pliers and appropriate connectors ensure electrical

continuity and mechanical strength in splices.

• What is the purpose of a fuse cutout on a distribution line?
• Increase line voltage
• Provide surge protection
• Protect transformers and lines from overcurrent
• Measure line current 3 / 4

Rationale: Fuse cutouts automatically open when current exceeds rated

limits, preventing damage to equipment.

• What is the standard length of a lineman’s climbing belt?
• 24 inches
• 36 inches
• Adjustable to fit the lineman securely
• 48 inches

Rationale: Climbing belts must be adjustable to ensure a secure and safe fit

around the lineman’s body.

• Which of the following is a common symptom of electric shock?
• Sweating only
• Muscle contractions and burns
• Dizziness only
• Headache

Rationale: Electric shock often causes involuntary muscle contractions,

burns at contact points, and sometimes cardiac effects.

• Which type of insulator is most commonly used for overhead

distribution lines?

• Glass
• Wood
• Porcelain or polymer
• Rubber
• / 4