Do not approach the victim until you are absolutely sure the power has been removed. If necessary, use a wooden or other non-conductive pole to remove the wire from the victim. Place a call to emergency medical professionals before attempting first aid, or have a bystander perform the summoning while you perform first aid.
- Loss of consciousness.
- Loss of pulse.
- Loss of respiration.
- Burned areas of tissue.
- Do not move the victim unless an immediate life-threatening situation exists.
- Perform rescue breathing.
- Perform cardio-pulmonary resuscitation.
- Treat for shock (not electrical shock, normal medical shock) by keeping victim warm and still.
- Check for other injuries.
- Talk to the victim to monitor their responses. Attempt to keep them conscious if possible.
- Monitor victims pulse and breathing until medical help arrives.
- Be aware that an electrical shock can flash-cook human body tissues. The smell will be a mixture of burned flesh, burnt hair and ozone. You must keep your act together, don't vomit. The victim is depending on you, especially if CPR/rescue breathing is required.
From US Navy boot camp training.