This paper investigates protective devices on work equipment, with special emphasis on their legal regulation, types, implementation, maintenance and education of workers. The introduction emphasizes the importance of protective devices in ensuring a safe working environment, while the second chapter deals with legislation, international standards and directives, and the role of labor inspections and regulatory bodies. The third chapter classifies protective devices into physical barriers and personal protective equipment, with an analysis of their role and function. The fourth chapter deals with the implementation of protective devices, including risk analysis, selection of suitable equipment and integration of protective devices into work processes. Concrete examples of successful implementation in different industries are also given. The fifth chapter emphasizes the importance of regular maintenance and inspection of protective devices, which is crucial for long-term efficiency and safety. The last chapter is devoted to the education and training of workers, emphasizing how properly educated workers contribute to the effective use of protective devices and the prevention of accidents. This work provides a comprehensive overview of protective devices, their legal basis, technical characteristics and operational aspects, highlighting their crucial role in protecting the health and safety of workers.