Patent ID: 8366473

Claim:
A connector comprising: a housing having a plurality of terminal-receiving cavities and a plurality of lock receiving parts; a collective rubber stopper disposed at a rear end of said housing and having a plurality of electric wire close-contact holes aligned with the terminal-receiving cavities for receiving in a liquid tight manner electric wires extending from the housing; and a holder mounted on the housing so that said collective rubber stopper is held on the housing, the holder having electric wire insertion holes through which said electric wires can be inserted, a plurality of locking strips projecting forward from the holder at positions corresponding to the lock receiving parts of the housing, each locking strip having a lock at a front end of the housing, wherein front ends of said locking strips of said holder are shifted from each other in a longitudinal direction of the holder, and front ends of said lock receiving parts of said housing are located at different positions in a longitudinal direction of the housing, all of said locks being fittable to the lock receiving parts when the holder is in a proper mounting posture relative to the housing so that the holder is locked to the housing, and at least one of said locks being unable to fit to any lock receiving part if the holder is not in the proper mounting posture relative to the housing so that the holder is separable from the housing.