DIN 49440-2 Two-pole socket-outlets with earthing contact, 16 A 250 V a.c. - Part 2: Mobile multiple socket-outlets; combination of socket-outlets, 16 A 250 V and socket-outlets 2.5 A 250 V - Main dimensions

standard by Deutsches Institut Fur Normung E.V. (German National Standard), 01/01/2006