This part of is 8092 specifies tests and requirements for single-pole flat connectors according to is 8092-1, which are used in the electrical system of road vehicles with a voltage of 6.12 or 24V.
ONORM EN 28092-2-1992 history
1992ONORM EN 28092-2-1992 Road vehicles - Fiat, quick-connect terminations -Tests and Performance requirements for Single pole connections