
Electrical Live Working Safety Training
Working on or near energized electrical systems is one of the most hazardous tasks in any trade — and the margin for error is zero. This training gives you the technical knowledge and practical procedures to assess arc flash hazards, control energy sources, and execute live work safely and legally. From approach boundaries to PPE selection to emergency response, every critical skill is covered.
What you will learn:
You will learn how electricity injures the body, how to classify hazards by voltage and incident energy, and how to apply the full lockout/tagout process from isolation to verification. You will master approach boundary calculations, arc flash label interpretation, and PPE selection matched to real energy levels. The course covers rubber gloving, hot stick techniques, and bare-hand methods for transmission voltage work. You will also learn how to write and close energized work permits, conduct pre-job briefings, and respond effectively to shock and arc flash emergencies on site.
How you study in a practical way Electrical Live Working Safety Training
How you practice Electrical Live Working Safety Training
For companies who want to train their team
With Dedika for businesses, the course includes exercises and examples tailored to your own business and the way your company needs.
Course content
8 Chapters • 39 LessonsDuration between 4 and 360 hours (you decide)
Chapter 1HideHide detailsSee detailsFoundations of Electrical Safety
Foundations of Electrical Safety
Lesson 1 • How Electricity Injures the Body
Covers current pathways, tissue damage thresholds, and cardiac fibrillation risk. Grounds all subsequent hazard assessments in physiological reality.
Lesson 2 • Electrical Hazard Classification
Defines voltage categories, energy levels, and equipment classes that determine risk tier. Enables workers to assign correct protection levels before any task.
Lesson 3 • Regulatory and Standards Framework
Surveys the hierarchy of electrical safety regulations, consensus standards, and employer duty-of-care obligations. Connects compliance requirements to practical work procedures.
Lesson 4 • Arc Flash Physics and Energy
Explains plasma formation, pressure waves, and radiant heat release during arc events. Provides the physical basis for incident energy calculations used later.
Lesson 5 • Risk Assessment Fundamentals
Introduces likelihood-consequence matrices and hierarchy of controls applied to electrical tasks. Builds the analytical habit used throughout all live-work planning.
Chapter 2HideHide detailsSee detailsApproach Boundaries and Safe Distances
Approach Boundaries and Safe Distances
Lesson 1 • Arc Flash Protection Boundary
Explains how incident energy calculations determine the arc flash boundary distance. Links boundary placement to PPE selection and task planning.
Lesson 2 • Boundary Marking and Communication
Covers physical barricades, signage, and verbal communication protocols that enforce boundaries on site. Prevents unauthorized entry by coworkers and the public.
Lesson 3 • Calculating Minimum Approach Distances
Applies voltage-to-distance tables and air gap insulation principles for medium and high voltage. Ensures workers maintain safe clearances during overhead and substation work.
Lesson 4 • Shock Protection Boundary System
Defines limited, restricted, and prohibited approach boundaries and the qualifications required at each. Establishes the spatial framework for all live-work access decisions.
Chapter 3HideHide detailsSee detailsLockout/Tagout and Energization Control
Lockout/Tagout and Energization Control
Lesson 1 • Verification of Zero Energy State
Details test-before-touch procedures, voltage tester selection, and proving absence of voltage. This step prevents contact with unexpectedly energized conductors.
Lesson 2 • Energy Isolation Principles
Defines all electrical energy sources, stored energy forms, and isolation point identification. Establishes why full isolation is the preferred alternative to live work.
Lesson 3 • Lockout Device Application
Covers selection, placement, and removal of locks on disconnects, breakers, and valves. Ensures each authorized worker maintains personal control of their isolation.
Lesson 4 • Group Lockout and Complex Systems
Addresses multi-craft group lockout, complex energy control programs, and shift-change continuity. Ensures protection is maintained across large teams and extended outages.
Lesson 5 • Tagout Procedures and Limitations
Explains when tagout alone is permitted, tag content requirements, and its reduced protection level. Prepares workers to apply tags correctly and recognize their limitations.
Chapter 4HideHide detailsSee detailsIncident Energy Analysis and Arc Flash Studies
Incident Energy Analysis and Arc Flash Studies
Lesson 1 • Protective Device Coordination Impact
Explains how relay settings, fuse selection, and breaker clearing times affect incident energy levels. Shows workers how system changes can reduce arc flash hazard.
Lesson 2 • Incident Energy Calculation Methods
Applies empirical and theoretical calculation methods to determine calories per square centimeter at working distance. Results drive PPE selection and arc flash boundary placement.
Lesson 3 • Fault Current and Bolted Fault Calculations
Covers symmetrical and asymmetrical fault current calculation methods and their role in arc flash analysis. Provides the foundational numbers used in all incident energy formulas.
Lesson 4 • Power System Data Collection
Identifies the electrical system data required as inputs for an arc flash study. Accurate data collection directly determines the reliability of all calculated results.
Lesson 5 • Arc Flash Labels and Study Updates
Covers required label content, placement, and the conditions that trigger a study update. Ensures equipment labels remain accurate and actionable over the system's life.
Chapter 5HideHide detailsSee detailsPersonal Protective Equipment for Live Work
Personal Protective Equipment for Live Work
Lesson 1 • Face and Head Protection
Addresses arc flash face shields, arc-rated balaclavas, and hard hat arc ratings. Prevents facial burns and head trauma from arc blast and falling debris.
Lesson 2 • Insulating Gloves and Sleeves
Details rubber insulating glove voltage classes, leather protector requirements, and sleeve use. Protects hands and forearms during direct contact with energized parts.
Lesson 3 • Insulating Tools and Equipment
Covers insulated hand tool ratings, insulating mats, and blanket application on live conductors. Extends the worker's protection zone beyond personal clothing.
Lesson 4 • PPE Inspection, Testing, and Storage
Establishes pre-use inspection criteria, periodic electrical testing intervals, and proper storage conditions. Prevents PPE failure caused by undetected damage or degradation.
Lesson 5 • Arc-Rated Clothing Systems
Covers arc thermal performance value ratings, layering principles, and garment selection by incident energy. Ensures clothing provides adequate protection without excessive heat stress.
Chapter 6HideHide detailsSee detailsLive Work Permits and Job Planning
Live Work Permits and Job Planning
Lesson 1 • Job Hazard Analysis for Live Tasks
Applies step-by-step task breakdown to identify hazards and controls for each live-work action. Produces the hazard analysis that feeds directly into the work permit.
Lesson 2 • Energized Electrical Work Permit Content
Details every required element of a live-work permit, from task description to PPE specification. Ensures no critical safety information is omitted before work begins.
Lesson 3 • Justification for Energized Work
Defines the conditions under which live work is permitted and the documentation required to justify it. Prevents unnecessary energized work by enforcing a structured decision process.
Lesson 4 • Pre-Job Briefing Execution
Covers the structure, content, and documentation of crew briefings before energized work begins. Aligns every worker on hazards, boundaries, PPE, and emergency actions.
Lesson 5 • Permit Closure and Post-Job Review
Addresses permit sign-off, equipment restoration steps, and lessons-learned capture after live work. Closes the safety loop and improves future job planning.
Chapter 7HideHide detailsSee detailsLive Working Techniques and Tools
Live Working Techniques and Tools
Lesson 1 • Hot Stick and Live-Line Tool Work
Details fiberglass hot stick ratings, handling techniques, and task execution at safe working distances. Used for medium and high voltage work where direct contact is prohibited.
Lesson 2 • Temporary Protective Grounds Application
Addresses grounding cable sizing, attachment sequence, and removal order for de-energized adjacent conductors. Protects workers from induced voltage and accidental re-energization.
Lesson 3 • Insulated Aerial Devices for Live Work
Covers bucket truck and aerial lift insulation ratings, boom positioning, and platform work rules. Ensures the aerial device itself does not compromise the worker's insulation system.
Lesson 4 • Rubber Gloving Method
Covers hand contact with energized parts using insulating gloves as the primary protection. Applies to low and medium voltage distribution work where direct manipulation is required.
Lesson 5 • Bare-Hand Technique at High Voltage
Explains equipotential bonding, conductor approach, and work execution at transmission voltage levels. Requires specialized training and is limited to qualified transmission workers.
Chapter 8HideHide detailsSee detailsEmergency Response to Electrical Incidents
Emergency Response to Electrical Incidents
Lesson 1 • Scene Safety and Victim Rescue
Covers rescuer self-protection, de-energization before contact, and non-contact rescue tools. Prevents the rescuer from becoming a second victim during electrical emergencies.
Lesson 2 • Incident Reporting and Investigation
Establishes the immediate notification chain, evidence preservation, and root cause analysis process after an electrical incident. Converts every event into systemic safety improvement.
Lesson 3 • Arc Flash Burn Management
Covers cooling, wound covering, and transport priorities for arc flash burn victims. Addresses clothing removal hazards and the risk of airway burns from superheated gases.
Lesson 4 • Cardiopulmonary Resuscitation for Electrical Victims
Applies CPR technique with emphasis on the high success rate when initiated promptly after electrical cardiac arrest. Reinforces that electrical victims are prime candidates for resuscitation.
Lesson 5 • Electrical Shock First Aid
Details assessment of shock victims, spinal precautions, and monitoring for delayed cardiac events. Addresses the unique physiology of electrical injury that differs from blunt trauma.
Your valid completion certificate
This course is for you:
Journeyman electrician: ready to qualify for supervised live-work assignments.
Industrial maintenance technician: routinely works near energized panels and switchgear.
Electrical foreman: responsible for crew safety decisions on energized systems.
Utility lineworker: needs formal training to meet employer compliance requirements.
Facilities engineer: manages electrical infrastructure in commercial or industrial buildings.
Safety professional: building electrical hazard programs without a trade background.
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