RJ Connector Dust Caps

RJ (registered jack) connector dust caps are used to protect the ends of your RJ connector – a type of electrical connector used for Ethernet networking – from dust and other contaminants when it's not in use. 


How do RJ connector dust caps work?


RJ connector dust caps are very easy to use. They simply fit on over the end of your RJ connector, either by slipping on or screwing on. Designs include simple caps for a snug fit, models with a knurled screw cap for finger tightening and some with a chain for attachment to the panel, providing extra security. 


Types of RJ connector dust caps


RJ connector dust caps are usually made from a durable plastic, a rubber or polyamide, to prevent water and dust from getting inside the connector. There are two main types of RJ connector dust caps:

  • Male – used for male connectors. Commonly has a solid pin for a centre conductor. 
  • Female – used for female connectors. Commonly has a jack and has a centre conductor with a hole to accept the male pin.

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Description Price Connector Type Gender IP Rating Colour Cord Included Series Finish Socket Type CAD Drawing Hazardous Area Certification
RS Stock No. 818-3374
Mfr. Part No.726151101
TWD18
Each
units
RJ45 Female - Black - WA-PCCA - In-Line - -
RS Stock No. 163-5423
Mfr. Part No.726151101
TWD15
Each (In a Bag of 500)
units
RJ45 Female - Black - WA-PCCA - In-Line - -
RS Stock No. 788-4470
Mfr. Part No.2058442-1
TWD827
Each
units
RJ45, USB Male - - Yes - - - - -
RS Stock No. 163-5424
Mfr. Part No.726151102
TWD12
Each (In a Bag of 500)
units
RJ45 Male - Black - WA-PCCA - In-Line - -
RS Stock No. 818-3370
Mfr. Part No.726151102
TWD12
Each
units
RJ45 Male - Black - WA-PCCA - In-Line - -
RS Stock No. 329-5469
Mfr. Part No.944 1023
BrandAmphenol
TWD70
Each (In a Pack of 5)
units
- - - - - - - - - -
RS Stock No. 765-9053
Mfr. Part No.09455020004
BrandHarting
TWD298
Each
units
RJ Female IP65, IP67 - - Har-Port - - - -
RS Stock No. 725-6067
Mfr. Part No.MRJ258610BP
BrandAmphenol
TWD53
Each (In a Bag of 5)
units
- - - - - - - - - -
RS Stock No. 801-9002
Mfr. Part No.2832991
TWD161
Each
units
RJ45 - - Black - - - Protective Cap 3D CAD Model -
RS Stock No. 765-9022
Mfr. Part No.09458450009
BrandHarting
TWD265
Each
units
RJ Female IP65, IP67 - Yes - - - - -
RS Stock No. 536-9231
Mfr. Part No.RJF EZ 6
BrandAmphenol
TWD630
Each
units
Plug Housing Male IP67 Black - EZ - RJ45 - -
RS Stock No. 695-0229
Mfr. Part No.RJ11FC6G
BrandAmphenol
TWD2,140
Each
units
- - - - - - - - - -
New
RS Stock No. 170-2709
Mfr. Part No.MRJ258610BP
BrandAmphenol
TWD42
Each (In a Bag of 60)
units
- - - - - - - - - -
RS Stock No. 695-0232
Mfr. Part No.RJ11FC7G
BrandAmphenol
TWD2,690
Each
units
- - - - - - - - - -
RS Stock No. 448-0034
Mfr. Part No.RJF TVC 7G
BrandAmphenol
TWD1,527
Each
units
Socket Cap - - Olive - RJF TV Olive Drab Cadmium - - -
RS Stock No. 688-1600
Mfr. Part No.RJF11FTVC2N
BrandAmphenol
TWD1,180
Each
units
RJ11 Male IP68 - Yes RJ11FTVX Nickel - - ATEX
RS Stock No. 818-3377
Mfr. Part No.726154101
TWD22
Each
units
RJ45 Male - Black - WA-PCCA - In-Line - -
RS Stock No. 821-9158
Mfr. Part No.84700-0003
BrandMolex
TWD333
Each
units
RJ45 - - Black - 84700 Nickel Plated Bayonet-Style Latch Connector, RJ45 - -
RS Stock No. 536-9275
Mfr. Part No.RJF EZ BE
BrandAmphenol
TWD400
Each
units
RJ45 - IP67 Light Grey Yes - - - - -
RS Stock No. 839-5788
Mfr. Part No.84700-0003
BrandMolex
TWD791
Each
units
- Male - Black - 84700 - Bayonet-Style Latch Connector, RJ45 - -