- Make sure all three-wire tools and appliances with flexible cords are properly grounded.
- Guard live parts of electrical equipment against accidental contact.
- Identify the circuits served by the fuses, circuit breakers or disconnect switches and record them in the panelboard directory.
- Protect flexible cords and cables from physical damage.
- Ground exposed parts of fixed equipment that could be energized.
- Make sure all ground paths from equipment and enclosures are permanent and continuous.
- Keep slack in flexible cords to prevent tension on terminals.
- Make sure the insulating qualities of a splice are equal to or greater than the original cord.
- Make certain there are no obstructions limiting air circulation near equipment ventilating openings.
- Locate overcurrent protective devices (i.e, circuit breakers or fuses) where they can be easily and quickly reached.
- Make sure floor electrical outlets are flush with floor.
- Use extension cords only on a temporary basis.
- Protect personal computer equipment by using recommended surge protectors.
National Electrical Safety Foundation
2101 L Street, NW
Washington, DC 20037