I was reading Wiring for DCC (http://www.wiringfordcc.com/) about turnouts when I remembered something I thought about ages ago; a better way to wire turnouts.
I'm planning on using a Peco Electrofrog for an upcoming project, so I reviewed the site and was reminded of the problem. The back side of the wheel comes dangerously close to the opposite polarity track when going through the frog. So I thought about the problem for a moment, and came up with this arrangement:
It uses the DPDT on the bottom of a tortoise to control both the point sections and the frog. Note that when the turnout is thrown the opposite point is totally dead electrically, leaving no chance for a short.
Am I missing anything? This sure looks like a much better arrangement for both DC and DCC to me....