Everyone should be aware of potential electrical hazards and safety practices in their work areas. Even "low voltage" electricity can deliver harmful, and sometimes lethal, shocks. Always assume that any wiring or electrical fixture is "hot," since many types of equipment contain hazardous levels of stored energy even when they’re unplugged.

Extension cords are normally approved only for temporary use and can be unsafe if used incorrectly. Use only approved and properly maintained equipment such as 3-conductor extension cords. Don’t link extension cords together or run them through doorways, windows, or across walkways. Never use any electrical device with a frayed or altered cord.

Many research activities involve the use of electrical equipment. Recognizing the degree of hazard is paramount for working safely with such energized equipment. Only authorized individuals may do rewiring or other electrical work. If you work on high-voltage electrical equipment, always work in pairs. Above all, always work on equipment that is in a completely de-energized state. Apply shorting, grounding, and lock-and-tag procedures as appropriate, and never remove a lock or tag that was not installed by you.