This safety lesson covers the dangers of working with electricity in wet conditions and how to stay safe. It explains how water increases the risk of electrical shock, the importance of using ground fault circuit interrupters (GFCIs), and proper protective equipment. The video highlights safe work practices, such as avoiding standing water, using insulated tools, and inspecting electrical cords for damage. By following these precautions, workers can reduce the risk of electrocution and other hazards in wet environments.