• 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, N.W., Suite 300
Washington, DC 20037