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- Online Zoom Sessions or LMS
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Course Overview
The OSHA Focus Four — Electrocution Hazards course from the American Institute of Safety Professionals provides in-depth training on preventing the fourth leading cause of construction fatalities: electrocution from contact with energised electrical sources. Construction workers face electrocution hazards that are largely absent from other industries: overhead power lines that cranes, boom lifts, scaffolds, and ladders can contact, underground utilities that excavation equipment can strike, temporary wiring installations that lack the protection of permanent electrical systems, damaged tools and equipment used in wet and dusty conditions, and the constant presence of conductive materials (steel, rebar, aluminium, wet concrete) that create electrical pathways through workers’ bodies.
The single most lethal construction electrocution scenario is contact with overhead power lines. A crane boom, aerial lift, scaffold pole, metal ladder, long pipe, or piece of rebar that contacts or comes too close to an energised overhead line will electrocute every worker in the circuit path. These incidents frequently kill multiple workers simultaneously. OSHA 29 CFR 1926 Subpart K (Electrical) and Subpart CC (Cranes and Derricks) establish the clearance distances, work practices, and protective measures that prevent power line contact, and this course covers these requirements at the practical level that construction workers, operators, and supervisors need.
The curriculum covers construction electrocution hazard recognition (overhead lines, underground utilities, energised equipment, temporary wiring, damaged tools, wet conditions), OSHA Subpart K electrical safety requirements for construction, overhead power line clearance distances and approach limits (both for cranes under Subpart CC and for other operations), underground utility location and protection (811/One-Call systems), GFCI requirements for construction sites (§1926.405(a)(2)(ii)), the assured equipment grounding conductor programme alternative, temporary wiring installation and inspection, portable tool and equipment inspection, extension cord management, wet condition protocols, and the emergency response procedures for electrocution incidents (including the critical prohibition against touching the victim until the power source is de-energised or isolated).
All training is delivered 100 percent online through Microsoft Teams and the American Institute of Safety Professionals Learning Management System (LMS). Upon successful completion, graduates receive an American Institute of Safety Professionals certificate, professional wallet card, and official transcript, all employer-verifiable at amiosp.com/student-verifications.
Learning Outcomes
Upon completing the program, participants will be able to:
- Identify construction electrocution hazards: overhead power lines, underground utilities, energised equipment and wiring, temporary electrical installations, damaged tools and cords, conductive materials, and wet conditions that increase electrical exposure risk.
- Apply overhead power line clearance requirements: OSHA Subpart K and Subpart CC crane-specific provisions, minimum 10-foot approach distance for lines up to 50 kV, increased clearance for higher voltages, and planning controls that prevent contact with energised lines.
- Implement power line protection strategies: de-energisation and grounding as the primary control, insulating barriers and line covers, use of non-conductive equipment, dedicated spotters for crane and equipment operations, and pre-task planning to identify overhead lines.
- Manage underground utility protection: 811/One-Call notification, utility locating and marking, tolerance zone control, hand-digging requirements, potholing, vacuum excavation, and verification procedures prior to excavation.
- Apply GFCI requirements for construction: OSHA §1926.405(a)(2)(ii) requirements for 120-volt, 15- and 20-amp receptacles, GFCI testing procedures, and use of assured equipment grounding conductor programs where applicable.
- Manage temporary electrical installations: proper installation under Subpart K, protection from physical damage, environmental exposure control, grounding and fault protection, and inspection and maintenance requirements.
- Inspect portable tools and electrical equipment: identification of damaged cords, missing ground pins, cracked housings, exposed conductors, double-insulated tool provisions, and daily inspection requirements before use.
- Manage extension cord safety: correct rating and capacity selection, routing and protection from damage, prohibition of daisy-chaining, mandatory GFCI protection, and pre-use inspection requirements.
- Implement wet condition electrical safety protocols: enhanced GFCI protection, waterproof connections, use of insulated tools, avoidance of standing water, and weather-related work controls.
- Respond to electrocution emergencies: ensuring power isolation before contact, use of non-conductive rescue methods, emergency services activation, CPR/AED awareness, and preservation of the incident scene for investigation.
Core Curriculum Topics
- Construction Electrocution Hazard Recognition: overhead power lines, underground utilities, energised equipment, temporary wiring, damaged tools, wet conditions
- Overhead Power Line Safety: clearance distances, Subpart K and CC requirements, 10-foot rule, voltage-based separation distances, planning and spotter procedures
- Power Line Protection Strategies: de-energisation, grounding, insulating barriers, non-conductive equipment, pre-task hazard identification
- Underground Utility Protection: 811/One-Call system, locating and marking, tolerance zones, hand-digging, potholing, vacuum excavation
- GFCI Requirements (§1926.405(a)(2)(ii)): construction GFCI mandate, testing procedures, assured equipment grounding conductor alternative
- Temporary Electrical Systems: installation requirements, support, protection, environmental exposure, grounding, and inspection
- Portable Tool Inspection: damage identification, grounding verification, double-insulated tools, and daily inspection practices
- Extension Cord Management: capacity rating, routing, GFCI protection, daisy-chain prohibition, and inspection controls
- Wet Condition Controls: enhanced protection measures, waterproof connections, standing water prevention, rainwork procedures
- Emergency Response to Electrocution: do-not-touch rule, power isolation, rescue procedures, CPR/AED, emergency response coordination
- Case Studies: OSHA electrocution fatality investigations, overhead line contacts, tool failures, and wet condition incidents
Mode of Delivery
Course Content
- Introduction to OSHA Focus Four Hazards and Electrocution Hazards Overview
- Types of Electrocution Hazards: Overhead Power Lines, Electrical Panels, and Equipment
- Hazard Identification and Risk Assessment Techniques
- Safe Work Practices for Electrical Safety on Construction Sites
- Use of Personal Protective Equipment (PPE) and Insulating Tools
- Lockout/Tagout (LOTO) Procedures and Energy Isolation
- Emergency Response Plans and Electrical Incident Procedures
- Promoting a Safety Culture and Supervisory Oversight for Electrical Hazards
- Advanced Electrical Hazard Analysis and Mitigation Techniques
- High-Voltage Equipment Safety and Safe Work Procedures
- Case Studies in Effective Electrocution Hazard Prevention
- Leadership and Safety Enforcement Strategies for Electrical Compliance
Entry Requirements
- No prior training required
- No electrical background required — this is hazard prevention, not electrical theory
- Essential for all construction workers exposed to electrical hazards
- All instruction in English; working proficiency required
Upon completion, graduates receive an American Institute of Safety Professionals certificate, wallet card, and transcript. Employer-verifiable at amiosp.com/student-verifications.
Program Duration
Examination
Additional Information
Who Should Enroll
- Construction workers who work near overhead power lines, with portable electric tools, or with temporary wiring
- Crane operators, aerial lift operators, and equipment operators who work near energised power lines
- Excavation workers who dig near underground utilities
- Electricians and electrical helpers performing temporary wiring installations on construction sites
- Supervisors responsible for planning work near power lines and managing GFCI compliance
- Safety officers who manage the electrical safety programme on construction projects
- Any construction worker who uses extension cords, portable tools, or temporary power on site
How This Relates To Other Qualifications
- OSHA Focus Four — Fall Hazards (Subpart M, #1 construction killer) ✓
- OSHA Focus Four — Struck-By Hazards (falling/flying/swinging/rolling objects, #2) ✓
- OSHA Focus Four — Caught-In/Between Hazards (Subpart P, machinery, demolition, #3) ✓
- OSHA Focus Four — Electrocution Hazards — YOU ARE HERE (#4) ✓
- Electrical Safety for Technicians and Supervisors (deeper operational electrical safety with NFPA 70E)
- Electrical Safety for Managers (electrical safety programme governance)
- CSE: Certified Safety Engineer (electrical safety from engineering design perspective)
- International Diploma in Construction Safety Management (diploma depth)
The Focus Four Electrocution course covers construction-specific electrical hazards. For deeper operational electrical safety (NFPA 70E, LOTO, arc flash), see the Electrical Safety for Technicians and Supervisors course. For programme governance, see Electrical Safety for Managers.
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