Describes requirements for, and constructions and dimensions of, single core cables of the following types and voltage ratings: - 1,8/3 kV unscreened, unsheathed with or without textile braid (1,5 mm[2] to 400 mm[2]); - 1,8/3 kV unscreened, sheathed (1,5 mm[2] to 400 mm[2]); - 3,6/6 kV unscreened, unsheathed with or without textile braid (2,5 mm[2] to 400 mm[2]); - 3,6/6 kV unscreened, sheathed (2,5 mm[2] to 400 mm[2]).