RJ12 Inline Coupler - Reverse
RJ12 Inline Coupler - Reverse Thumbnail 1 RJ12 Inline Coupler - Reverse Thumbnail 2 RJ12 Inline Coupler - Reverse Thumbnail 3 RJ12 Inline Coupler - Reverse Thumbnail 4

RJ12 Inline Coupler - Reverse

Use to Extend the Length of an Existing Cable

Item # 510
Sale Price $1.31
1 - 4 5 - 9 10 - 99 100 - 249 250+
$1.31 $1.25 $1.19 $1.13 $1.06

This inline RJ12 to RJ12 reverse pinned coupler will allow the connection of two RJ12 cables to extend an existing cable. 50 micron gold plated contacts ensure excellent connectivity.


  • RJ12 female to female
  • 6 Position, 6 Conductor
  • Gold plated contacts
  • Color: Ivory
  • Wired Reversed
  • L 1 1/2 W 5/8 H 7/8
REVIEW SUMMARY for RJ12 Inline Coupler - Reverse
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Q: What is the difference between an RJ11 and an RJ12 connector?

A: Both connectors are the same size and appear the same. However, looking at the contacts an RJ11 will only have 4 contacts. An RJ12 will have 6 contacts.

Q: What are the terms 4P4C, 6P4C and 6P6C referring to?


4P4C: 4 Position 4 Conductor ( RJ22) - used for Telephone Handset cables.

6P4C: 6 Position 4 Conductor (RJ11) - used for ADSL, telephone, and modem cables.

6P6C: 6 Position 6 Conductor (RJ12) - used in System phones.

Q: Which adapter or splitter should I use. Reverse or straight?

A: Newer phones can use a straight or reverse pinned line cord. If you’re unsure of the age of your phone a reverse pinned cord will work with any age phone

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