02-15-2010, 06:58 AM
It's an Atlas C. Line....At least that's what's molded into the ties....You don't create a short c'cuit because each closure rail takes on the polarity of the stock rail it is up against. Since only one point rail can be touching a stock rail at any one time, the closure rails take on this polarity, which in turn is "fed" to the frog.....
Gus (LC&P).