Defines the requirements for pliable conduit systems including self-recovering conduit systems, including conduits and conduit fittings, for the protection and management of insulated conductors and/or cables in electrical installations or in communication systems up to 1000 V a.c. and/or 1500 V d.c.. This standard applies to metallic, non-metallic and composite conduit systems, including threaded and non-threaded entries which terminate the system.