You may need to comply with this code if you need to identify the contents of pipes, conduits or ducts that contain fluids or electrical or communications services.
This code specifies means of identifying the contents of pipes, conduits, ducts and sheathing used to contain fluids, or for the distribution of electrical or communications services in land installations and on board ships, by the use of colours, words and symbols. It is not intended to apply to buried or normally inaccessible services.
