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RJ21x telephone jack

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  • Member since
    September 2011
  • 9 posts
RJ21x telephone jack
Posted by 56Brooklyn on Wednesday, November 1, 2017 8:22 PM

anybody ever use a rj21x to wire a layout    25 pins to connnect accessories, lights????

  • Member since
    December 2001
  • From: Austin, TX
  • 10,096 posts
Posted by lionelsoni on Thursday, November 2, 2017 8:28 AM

Actually 25 pairs, or 50 wires.

Bob Nelson

  • Member since
    July 2003
  • 1,786 posts
Posted by cwburfle on Thursday, November 2, 2017 11:02 AM

I'd be concerned about the current carrying capacity.

  • Member since
    December 2001
  • From: Austin, TX
  • 10,096 posts
Posted by lionelsoni on Thursday, November 2, 2017 11:39 AM

Me too, which is not to say that there aren't applications where such small wire is safe.  Number 26 AWG should be good for only a couple of amperes in such a cable.  Not enough for track current, but useful for throwing turnouts and operating some lights and accessories, as he says.

Bob Nelson

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