| 摘要 |
A connector housing has a plurality of chambers for respectively receiving an electric wire. A rubber mat plug has a plurality of bores respectively associated with the chambers. A front face of the rubber mat plug is attached to a rear end portion of the connector housing. A recess portion is formed on a rear face of the rubber mat plug so as to surround the bores while remaining cylindrical wall portions surrounding the respective bores. A plug holder presses the rear face of the rubber mat plug against the connector housing to hold the rubber mat plug thereon. A plurality of projections are formed on a front portion of the plug holder and inserted into the recess portion to compress at least an outer peripheral face of the respective cylindrical wall portions so that a compressive force in a radial direction of the bores is generated to increase a sealing ability between the rubber mat plug and the electric wires passed through the bores.
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