| 摘要 |
A plurality of inner units respectively have a terminal chamber for accommodating a terminal to which an electric wire is connected, which are to be detachably combined with each other to constitute an inner housing. Waterproof rubber plugs respectively have a through hole through which the electric wire is inserted. A spacer has side walls for defining a chamber provided with a bottom wall, into which the inner units are fitted. Through holes, through which the respective electric wires are inserted, are formed on the bottom wall of the spacer so as to face the associated terminal chambers of the respective inner units when the inner housing is fitted into the chamber of the spacer. An outer housing has sidewalls for defining a chamber provided with a bottom wall, into which the spacer is fitted. Through holes, through which the respective electric wires are inserted, are formed on the bottom wall of the outer housing so as to face the associated through holes of the spacer when the spacer is fitted into the chamber of the outer housing. Recesses are formed on the bottom wall of the outer housing so as to communicate with the respective through holes in order to accommodate the rubber plugs when the spacer is completely fitted into the chamber of the outer housing, thereby sealing the electric wires and the terminal chambers. Entrance peripheries of the respective recesses being tapered. Rubber plug holders are formed on the bottom wall of the spacer so as to communicate with the through holes of the spacer in order to hold the rubber plugs together with the respective tapered peripheries of the recesses therebetween before the rubber plugs are accommodated in the respective recesses.
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