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newSchoolWorks.com › VoTechWorks › Building & Construction › Electrical Lineworker › Externship / Worksite Placement › Lesson 2
BLD-LINE69-10 · Lesson 2 · 60 clock hours · field

Supervised Trade Task Rotations

Objective. Students perform a minimum of four distinct trade task categories—pole climbing or bucket operation, rigging and material handling, transformer or switching operations, and underground or overhead line work—under direct journey-level supervision, meeting crew quality and safety expectations on each task.

⚠ Pending professional review

This lesson, its worked examples and its practice questions has not yet been verified by a licensed professional engineer or master tradesperson or by a certification or approval body. It is a study draft and may contain errors. Do not use it as instructions for work on a job site or on live equipment. Always follow your instructor, your supervising professional, and current official references and regulations.

VoTechWorks program approval and accreditation are still in progress. Credentials are issued only by the certifying bodies named in each program, after their own exams.

Supervised Trade Task Rotations

The externship placement is where classroom knowledge becomes real-world skill. Over approximately 60 hours on an active crew, you will rotate through at least four distinct trade task categories under direct journey-level supervision. Each shift is an opportunity to meet crew standards for both quality and safety—and to build the professional habits that employers expect from day one.

The Four Core Task Categories

Pole Climbing or Bucket Operation. Whether you are using climbing hooks and a body belt or operating a bucket truck, working at height demands full attention to fall protection. Before climbing, inspect all equipment: check hooks for cracks or worn gaffs, inspect the safety strap and body belt for cuts or damaged hardware, and confirm the pole is sound before committing your weight. In a bucket truck, verify aerial device controls, read the load chart, and never exceed the rated capacity. Stay within the bucket and keep both feet on the floor. On either platform, your ground person must maintain line-of-sight communication with you at all times.

Rigging and Material Handling. Rigging errors cause serious injuries. Before any lift, inspect slings, shackles, and hooks for deformation, cuts, or corrosion. Know the load weight and choose the correct sling angle—a wider sling angle reduces each leg's share of the load, while a narrow angle multiplies tension. Never stand under a suspended load. Use tag lines to control swing, and follow the lift director's signals without improvising. Proper housekeeping—keeping the worksite clear of tripping hazards—is part of safe material handling on every shift.

Transformer or Switching Operations. Switching and transformer work carry shock, arc flash, and stored-energy hazards. Always follow the written switching order exactly, step by step, with no shortcuts. Establish the energy control boundary by verifying that circuits are de-energized using an approved voltage tester (test-before-touch), then apply rubber insulating blankets and cover-up materials to protect adjacent energized conductors. Transformer work may involve hot oil and heavy equipment—use appropriate PPE, including arc-rated clothing and face shields rated for the potential arc flash energy level. Log every switching step as it is completed.

Underground or Overhead Line Work. Overhead work requires conductor covers, insulating gloves rated for the voltage class, and maintaining minimum approach distances (MAD) for the system voltage. Underground work adds the hazard of confined or excavated spaces: confirm atmospheric testing if entering a manhole, watch for water intrusion, and locate all existing utilities before any digging. Installing conduit or pulling conductor requires coordination with the crew—communicate clearly and follow the work order sequence.

Lockout/Tagout and Hazard Control

Every task category above may involve stored energy. The hierarchy of hazard controls starts with elimination (de-energize when possible), then substitution, engineering controls, administrative controls (written switching orders, permits), and PPE as the last line of defense—never the only one. Lockout/tagout procedures must be followed whenever you work on de-energized equipment: apply your personal lock, verify absence of voltage, and do not remove another person's lock. Your mentor will demonstrate the employer's specific LOTO procedure; follow it exactly.

The Daily Field Log

Your daily field log is both a legal record and a learning tool. For every shift, record:

The mentor initials your log each shift. Missing initials mean that shift does not count toward your 60-hour total. Treat the log professionally—it goes to your school coordinator and becomes part of your program record.

Mid-Placement Check-In

At approximately 30 hours into the placement, you will sit down with the site supervisor for a structured mid-point evaluation using the program's employer form. Review every rating together honestly. If any category is rated below the acceptable threshold, you and the supervisor will set two specific, measurable improvement goals for the remaining hours. This is not a punitive process—it is the most valuable feedback you will receive before program completion. Come prepared with your logs and be ready to discuss what you have observed and practiced.

Professional Standards on the Crew

Journey-level workers will judge you by the same standards they hold for themselves: show up on time, follow instructions completely the first time, ask questions before acting when unsure, and never take shortcuts on safety. Volunteering for tasks, maintaining a clean work area, and demonstrating situational awareness—knowing where equipment, conductors, and coworkers are at all times—are the habits that earn trust on a crew. Your attitude during this placement directly influences the employer mid-point rating and any future job reference.

Key terms9

Minimum Approach Distance (MAD)The closest distance a qualified worker may come to an energized conductor or part, established based on system voltage to prevent shock or arc flash.
Lockout/Tagout (LOTO)An energy control procedure that requires workers to isolate equipment from its energy source and apply a personal lock before performing maintenance or line work on de-energized systems.
Rubber Insulating Cover-Up MaterialsBlankets, line hose, and other insulating devices placed over energized adjacent conductors or equipment to protect workers from accidental contact during nearby work.
Sling AngleThe angle between a rigging sling leg and the horizontal; narrower angles increase tension in each leg and can exceed the sling's rated capacity, making angle selection critical to safe lifting.
Switching OrderA written, step-by-step sequence of operations to be performed on electrical switching equipment, executed and logged one step at a time to safely change the configuration of an electrical system.
Arc FlashA sudden release of energy caused by an electrical fault that produces intense heat, light, and pressure; workers must wear arc-rated PPE appropriate to the potential incident energy level.
Journey-Level WorkerA fully credentialed tradesperson who has completed apprenticeship or equivalent training and is qualified to supervise apprentices and trainees performing craft tasks.
Test-Before-TouchThe practice of using an approved voltage tester to verify that a conductor or piece of equipment is de-energized before making physical contact with it.
Aerial Device Load ChartA manufacturer-provided table or chart posted in the bucket truck that specifies the maximum allowable load for the aerial device at various boom angles and extension lengths.
In class: Rotate through assigned crew activities each shift (climbing, rigging, transformer change-outs, conduit or conductor installation, or restoration work), following all verbal and written work orders; document each task type, tools used, and safety controls applied in the daily field log. · At the end of each workday, discuss with the journey-level mentor one task that went well and one area for improvement, then record both in the log along with the mentor's verbal feedback verbatim. · At the midpoint of this lesson block (approximately 30 hours in), meet with the site supervisor for a structured mid-placement check-in using the program's employer mid-point evaluation form; review ratings together and set two specific improvement goals for the remaining hours.
Materials: Full lineworker PPE ensemble, climbing hooks and belt or bucket-truck controls (employer-provided), rigging slings and hardware, rubber insulating blankets and cover-up materials, hand tools (crescent wrench, cable cutters, pliers, screwdrivers), voltage testers, work orders and as-built drawings provided by employer, daily field log, employer mid-point evaluation form
Check: Daily log entries verified by mentor initials each shift; at least four distinct task categories documented over the 60 hours; mid-point employer evaluation form completed with no category rated below 'needs improvement' requiring a remediation plan; pass = mentor-initialed logs for every shift and mid-point evaluation submitted to school coordinator.

Practice check8

Answer each question, then check it. Nothing is recorded; this is your own practice.

Safety and Health / OSHA 10
1. Before climbing a wood pole, what is the first safety check a lineworker must perform?
Safety and Health / OSHA 10
2. A worker's personal lock must remain on a piece of de-energized equipment until:
NCCER Power Line Worker – Electrical Systems
3. When executing a written switching order, the correct procedure is to:
Safety and Health / OSHA 10
4. Which practice is required before physically touching any conductor that has been reported as de-energized?
NCCER Power Line Worker – Equipment Operation
5. When operating a bucket truck, which action is prohibited?
NCCER Power Line Worker – Professional Development
6. What is the purpose of the employer mid-point evaluation form completed at approximately 30 hours into the placement?
NCCER Power Line Worker – Rigging and Material Handling
7. A rigging sling is being used at a very narrow angle between its two legs. Compared to a wider sling angle, the tension in each leg of the sling is:
NCCER Power Line Worker – Professional Development
8. What information must appear in the daily field log for every shift during the externship placement?
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