LINEMAN Cheat Sheet 2026

The 30 highest-yield LINEMAN facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. A lineman records a ground fault on a feeder at 14:32. What is the primary purpose of logging the exact time? → To correlate the fault with weather data, switching operations, or customer outage reports
2. Which NFPA standard specifically addresses electrical safety in the workplace (as opposed to the electrical code for building wiring)? → NFPA 70E
3. What is the main requirement to obtain a journeyman lineman license? → Completing an apprenticeship and passing a state exam.
4. What is the primary purpose of regular equipment maintenance? → To ensure safe and reliable operation while extending equipment lifespan
5. Why must a lineman's daily timesheet accurately reflect the work orders completed, not just total hours? → To enable proper job costing and regulatory compliance reporting for each project
6. What is benchmarking in the context of quality improvement? → Comparing performance against best practices or industry standards
7. What is the typical requirement for a lineman to qualify as a OSHA 10-hour outreach trainer? → Completing an OSHA Outreach Trainer course authorized by the OSHA Training Institute
8. Which skill set is most critical for a lineman aspiring to move into a Distribution Planning Engineer role? → Power flow analysis, AutoCAD or GIS proficiency, and load growth modeling
9. In IEEE Std 80, what determines the tolerable step and touch voltage limits for a grounding system design? → Body weight, shock duration, and soil resistivity
10. A lineman performing work on a federal installation (e.g., a military base) must comply with: → Both the applicable state licensing requirements and federal regulations
11. A lessons-learned document compiled at the end of a lineman project is MOST valuable for: → Improving planning, risk management, and execution on future similar projects
12. Which document formally commits a utility to environmental mitigation measures agreed upon during environmental review of a transmission project? → Record of Decision (ROD) or Environmental Commitment Register
13. A project budget contingency reserve is intended to cover: → Identified risks that may or may not occur during the project
14. Which OSHA regulation governs the use of personal protective equipment (PPE) for electric power transmission and distribution work? → 29 CFR 1910.269
15. In a series circuit, if one component fails (opens), what happens to the rest of the circuit? → The entire circuit stops conducting
16. When should documentation of a service or intervention be completed? → As soon as possible after the service is provided
17. Which PPE item must be inspected for ozone cracking, cuts, and embedded foreign objects before each use? → Rubber insulating blankets and gloves
18. Which federal agency sets the standards for apprenticeship programs that lineman training must comply with? → Department of Labor (DOL) Office of Apprenticeship
19. Which type of fire extinguisher is appropriate for use on energized electrical equipment? → Class C (CO2 or dry chemical non-conductive agent)
20. What is the primary purpose of thorough documentation in professional practice? → To create an accurate record for continuity of care and legal protection
21. Why is root cause analysis important in quality improvement? → It identifies the underlying cause of problems rather than just symptoms
22. The purpose of bonding and grounding temporary grounds during line work is to: → Equalize potential between the worker, equipment, and earth to prevent shock
23. Which instrument measures the actual sag of a conductor in the field using a line-of-sight method? → Clino-meter or transit level
24. What is the RMS (root mean square) voltage of a standard US 120V AC outlet in relation to its peak voltage? → Peak voltage is approximately 1.414 times the RMS voltage
25. What is the maximum allowable voltage deviation from nominal per ANSI C84.1 Range A at the point of delivery to a customer? → ±5%
26. When performing vegetation management under a transmission right-of-way, which environmental review may be required if the utility is a federal licensee? → NEPA environmental assessment or EIS
27. When performing an energized line task, the minimum approach distance (MAD) is primarily determined by: → System voltage and worker training level
28. What is the purpose of a grounds crew using a 'shotgun stick' during energized line work? → To install or remove hot-line clamps and temporary grounds from a distance
29. The purpose of a tailboard/tailgate meeting before work begins is to: → Brief all crew members on hazards, controls, and job assignments
30. In AC power systems, what does the term 'impedance' represent? → The combined opposition to AC current including resistance and reactance