05:36AM | 12/24/03
Member Since: 12/23/03
1 lifetime posts
I have 2 phone lines (both coming in on the same 4-wire line) and am trying to put in dual jacks in two rooms. Looks like my office has a hot wire and then two split off wires to other rooms. I've wired the dual jack in my office and then in my sons room. Both lines work in the sons room, but neither work in my office. I've connected both the hot leads and the split wires to the same screws, but nothing. please send advice. Thanks


08:56AM | 01/04/04
Member Since: 01/03/04
5 lifetime posts
JUst some general information for you about telephone wiring. If the 4 conductor wire you have is standard JKT telephone wire the 4 conductors will be, Green, Red, Black and Yellow. Now if it was orininally wired correctly at the outside box the 1st line will be on the Green and Red leads and a 2nd line will be on the Black and Yellow leads. If you wire multiple outlets they should all be wired in parallel for either the Green & Red or the Black and Yellow. The is also a possibility if your hone is newer that the internal wiring will have 2 pairs in the cable jacket and they will be White & Blue twisted and the second pair will be White & Orange twisted. The white wires may also have either a Blue or Orange stripe on them so that you will know which other lead they go with if they get untwisted. In the jack remember that the center two contacts are the ones used for a standard telephone set. I hope this is of some help to you.


06:44PM | 01/04/04
Member Since: 01/03/04
9 lifetime posts
If you feed comes into the office and goes into the bedroom, and both lines work in bedroom but not the office it must be a miswired jack..

If your wiring a dual jack the first line should be on the red-green of the feeder cable (if a 4 conductor line) and 2nd line on the yellow-black..

when wiring a dual jack red-green should go to red-green on the top jack for line 1 and the yellow-black of the wire should go to the red-green of the bottom jack giving you line 2.

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