What are the 4 types of safety signs in Ireland Having safety signs in the workplace is essential. A visible instruction from a safety sign gives clear indication and lessens the likelihood of accidents to employees and non-employees, and therefore creates a safer working environment. Importantly, having warehouse safety signs will help you to comply with the Health and Safety (Safety Signs and Signals) Regulations 1996 (the Regulations). Compulsory signs in the Irish workpla