- Disconnect the power supply before approaching an electric shock casualty.
- Call 999 immediately for any serious electric shock or arc flash incident.
- Start CPR immediately if the casualty is not breathing and has no pulse.
- Use an AED if available — follow the voice prompts without delay.
- Use CO2 or dry powder extinguishers on electrical fires, not water.
- Know the location of the nearest isolation point for your work area.
- Report all electric shocks — even minor ones — to your supervisor immediately.
- Ensure first aiders on site are trained in electrical emergency response.
- Preserve the scene after the casualty is safe for the incident investigation.
- Keep emergency contact numbers for the DNO and HV authorised person displayed.
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- DON'T touch a person who is in contact with a live electrical source.
- DON'T approach a high voltage casualty — maintain the safe distance and call for help.
- DON'T use water or foam extinguishers on fires involving live electrical equipment.
- DON'T assume a minor electric shock needs no medical attention — always report it.
- DON'T attempt to fight a large electrical fire — evacuate and call the fire service.
- DON'T delay CPR on an unconscious shock casualty — every second matters.
- DON'T re-energise the circuit until the cause of the incident is identified.
- DON'T leave a casualty alone after an electric shock — monitor for delayed symptoms.
- DON'T move the casualty unless they are in continuing danger from the electrical source.
- DON'T disturb the scene after the emergency — evidence is needed for investigation.
See also: Electrical Safety Awareness | Emergency Plan Awareness
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