Electrical shock can happen fast and without much warning. A worker may contact an energized tool, damaged cord, live panel, temporary power setup, or hidden wiring and be knocked down, burned, or unable to let go. Even when there is no visible injury, electrical shock can affect the heart, breathing, muscles, and nerves. A person who looks okay right after the shock may still be in serious danger.
This talk covers how crews should respond if someone gets shocked on the job. We will focus on the first actions to take, what not to do, common jobsite situations that lead to shock, and how to protect the scene so no one else gets hurt while helping the injured worker.
Why This Matters
- Electrical shock can cause internal injuries that are not obvious right away.
- A fast, correct response can prevent a second victim during the rescue.
- Power that remains on can keep injuring the worker and anyone who tries to help.
- Shock incidents often point to bigger problems with cords, tools, lockout, grounding, or temporary power.
- Quick reporting and medical evaluation can make the difference between a close call and a fatal event.
Common Hazards
- Using damaged extension cords, missing ground prongs, or worn power tools.
- Contact with exposed wiring inside panels, boxes, lighting, or equipment.
- Working around wet surfaces, rain, mud, or sweat that increase the path to ground.
- Temporary power setups that are overloaded, poorly protected, or not inspected.
- Accidental contact with hidden energized lines during drilling, cutting, or demolition.
- A worker grabs a shocked coworker directly before the power source is shut off and becomes part of the circuit.
Safety Checklist
Before Work Begins
- Know where disconnects, breakers, and shutoffs are located before starting electrical or powered work.
- Inspect cords, plugs, tools, and temporary power for damage before use.
- Confirm GFCI protection is in place where required and test it as needed.
- Identify overhead, concealed, and nearby energized sources in the work area.
- Make sure the crew knows emergency contacts, site address, and who calls for medical help.
During Work
- If a worker is being shocked, do not touch them until the power is shut off or the source is safely isolated.
- Cut power at the breaker, disconnect, plug, or emergency shutoff if it can be done safely.
- Call emergency services right away after any serious shock, burn, fall, or loss of consciousness.
- Once the scene is safe, check breathing and responsiveness and start CPR only if trained and it is safe to do so.
- Keep others away from the area until the source is identified and controlled.
- Report the incident immediately and do not reuse the tool, cord, or circuit involved until it is inspected.
Crew Talking Points
- If someone gets shocked today, who shuts off power and who calls for help?
- Where are the nearest disconnects or breakers for this work area?
- What electrical hazards are present here right now, including temporary power and hidden wiring?
- What signs would tell us a cord, tool, or panel should be taken out of service immediately?
- How do wet conditions, metal ladders, or tight spaces increase shock risk on this job?
- Raise any questions now about rescue steps, shutdown points, or unsafe electrical conditions before work starts.
Stop Work If
- A worker has been shocked and the power source is still energized or not confirmed safe.
- You find damaged cords, exposed conductors, broken tools, or missing covers.
- Water, mud, or wet conditions create an unsafe electrical setup.
- You do not know where the disconnect is or cannot shut off power safely.
- There is any doubt about whether the equipment, circuit, or area has been de-energized.
Final Reminder
Do not rush in and create a second victim. Shut off power, get medical help, and treat every electrical shock as a serious emergency.
| Crew Member Name | Signature | Date |
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