Historical
IEC 60245-4 Ed. 2.2 b:2004
Rubber insulated cables - Rated voltages up to and including 450/750 V - Part 4: Cords and flexible cables
Details the particular specifications for rubber insulated and braided cords and for rubber insulated and rubber or polychloroprene or other equivalent synthetic elastomer sheathed cords and flexible cables of rated voltages up to and including 450/750 V.
International Electrotechnical Commission [iec]