DIN VDE 0281-7:2001 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 7: Single core non-sheathed cables for internal wiring for a conductor temperature of 90 °C; German version HD 21.7 S2:1996 + A1:1999
2012DIN EN 50525-2-31:2012 Electric cables - Low voltage energy cables of rated voltages up to and including 450/750 V (U<(Index)0>/U) - Part 2-31: Cables for general applications - Single core non-sheathed cables with thermoplastic PVC insulation; German version EN 50525-2-31:2011
2001DIN VDE 0281-7:2001 Polyvinyl chloride insulated cables of rated voltages up to and including 450/750 V - Part 7: Single core non-sheathed cables for internal wiring for a conductor temperature of 90 °C; German version HD 21.7 S2:1996 + A1:1999