As a further precaution, a portable sign can also be placed in front of the equipment or machine, or it can be cordoned off with a barrier or rope. Once a locking-out and tagging system has been introduced, it must be strictly enforced. If the system is not always followed, it becomes ineffective and dangerous. Safety locks and tags are readily available from most distributors of industrial safety products. Colour Coding Australian Standard 1318 - 1985 recommends specific colours for the marking of physical hazards and the identification of certain equipment in industry.
Colours used are red, yellow, green and blue.
Signifies danger and prohibition, fire protection equipment, stop buttons for electrical switches and emergency stop controls for machinery. Denotes safety and location of safety or first aid equipment. Is for information signs where there is no specific hazard. The Occupational Safety and Health Act 1984 requires employers to provide employees with a safe and healthy work environment, including safe systems of work, and employees to take reasonable care with their own safety and health at work, and the safety and health of others. Ensure employees are not exposed to workplace safety and health hazards.