DIN 14690-2
DIN 14690-2 Firefighting and fire protection - Two-pole connector, 16 A, 42 V - Part 2: Plug
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2016
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 04/01/2016