This Standard specifies construction, dimensions and tests for single core and up to 4 core and earth multicore polymeric insulated and non-metallic sheathed cables up to and including 25 mm2 conductor size intended for fixed applications in power and lighting circuits in installations at working voltages up to and including 450/750 V.Insulated unsheathed cables are not included in this Standard. It does not apply to specialised polymeric insulated cables for which there are separate Australian/New Zealand Standards, e.g. flexible cords, ships cables.NOTE: Purchasing guidelines are contained in Appendix A.