The "Ear Protection Required" sign reminds employees and individuals of certain workplace requirements and health and safety guidelines. Pictured on the sign are earplugs and earmuffs, two examples of possible ear protection. This gives the individual a visual reference for what they need to ensure their own wellbeing before entering he given space or area. 

This sign is best displayed at the entryway to certain workplaces and spaces, especially those with industrial machines. Displaying it before entering ensures that individuals will be prepared to enter the given area with all the essential equipment.