Patent ID: 8790141

Claim:
A connector keying system comprising a receptacle ( 3 ) assembled at one end of a first electrical cable and a plug ( 4 ) assembled at the end of a second electrical cable and designed to be connected to the receptacle, characterised in that it comprises: at least one coding ring ( 1 ) capable of being at least partially assembled around the receptacle ( 3 ) and comprising a plurality of guide notches (P) and a keying recess ( 12 ), at least one keying plate ( 2 ) capable of being attached to the plug ( 4 ) and comprising a keying lug ( 22 ) capable of being inserted into the keying recess ( 12 ) of the coding ring ( 1 ); characterised in that the keying plate ( 2 ) comprises a central bore ( 21 ) capable of receiving a fixing device ( 5 ) and aligned with the keying lug ( 22 ).