How to Wire an RJ-14 Phone Cable

Written by stephen a. powell
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How to Wire an RJ-14 Phone Cable
Wire two standard telephone lines through an RJ-14 cable. (cable rj-45 image by Sergey Galushko from Fotolia.com)

The RJ-14---sometimes written without the hyphen as "RJ14"---is a six-contact telephone cable capable of sustaining two telephone line signals at once. Using the RJ-14 may be necessary depending on your hardware, but from a convenience standpoint, wiring an RJ-14 can save you space and potential clutter by allowing you to run one line instead of two. Use an RJ-14 splitter or combiner to wire two telephone lines to a single RJ-14 cable.

Skill level:
Moderately Easy

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Things you need

  • RJ-14 splitter or combiner

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Instructions

  1. 1

    Insert one standard, four-contact telephone line into the RJ-14 splitter or combiner's "Line 1" or "L1" port.

  2. 2

    Insert the second telephone line into the RJ-14 splitter or combiner's "Line 2" or "L2" port.

  3. 3

    Insert one end of the RJ-14 cable into the RJ-14 splitter or combiner's remaining available port. This port will be labelled "RJ-14" or "Line 1 + Line 2."

  4. 4

    Insert the other end of the RJ-14 cable into your telephone signal port. This is the port to which you previously could only connect one telephone line.

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