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Transformer is far away, how to wire ?

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  • Member since
    January 2004
  • From: N. Calif.
  • 119 posts
Transformer is far away, how to wire ?
Posted by Boonter on Wednesday, August 4, 2010 5:43 PM

My layout has two rather large circuts, not interconnected.  Each has it's own transformer.  At the fartherest point trains slow down.

I have seen mentioned that additional wires can be installed to boost the power at that point.  Do you run additional wires from the transformer an attach them to thre same rail as the closer connection ?

Also, considering the distance, should a larger gage wire be used ?  Please be detailed, as an unskilled electrician I need simple directions !!!-

 Thanks for any and all help.

Cheers & Talleyho !
  • Member since
    December 2001
  • From: Austin, TX
  • 10,096 posts
Posted by lionelsoni on Wednesday, August 4, 2010 5:54 PM

Yes, you just duplicate the nearby connections.  If you need feeds to more than one remote area, you can go from one to another, without making a "home run" from the transformer for each feeder.

Yes, use heavy wire.  Track, even with good joints, is roughly equivalent to 16 AWG copper wire in resistance.  So you need to use something heavier to get much of an improvement.  Consider 14 AWG as a minimum.  You can easily find 14, 12, and 10 AWG in home improvement stores by the foot, in a variety of colors, and either solid or stranded.  There is no electrical difference between solid and stranded--it is purely a matter of mechanical convenience.  You can use smaller wire for a few inches to make the actual connection to the track.  Wire nuts under the table are handy to connect such "taps" to the larger feeder.

Bob Nelson

  • Member since
    January 2004
  • From: N. Calif.
  • 119 posts
Posted by Boonter on Thursday, August 5, 2010 5:55 PM

EXCELLENT information !  Verifies my thinking, but from someone who KNOWS.  Thanks very much.

Cheers & Talleyho !

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