Personal Protective Equipment, shortened as PPE, are the items that workers wear in workplaces with heightened risk of injury. The areas that people protect using the PPE Protective Clothing include ears, arms, and the respiratory system, among others. Don’t let occupational hazards reduce your productivity level. When Should You Wear PPE Protective Clothing? Any time you are exposed to a hazardous work environment, you should wear appropriate PPE Protective Clothing.