Electricity has long been recognized as hazardous. It can cause electric shock, electrocution, burns, fires, and even explosions. Ideally, all of the electrical circuits in a science laboratory should include ground fault circuit interrupters (GFCIs), which are designed to protect people from electrical hazards. Any electrical circuits used for measuring conductivity, or similar circuits, unless they are battery-powered, must contain a momentary switch. The teacher should ensure that all electrical devices are functioning properly and that the electrical cords are in good condition.
Examples: hot plates, magnetic stirrers, any equipment plugged into an electrical outlet