This really is a simple question to the right person. I bought some mini toggle switches ( spst / spdt ), on/off. The part that throws me off is, it is 3 pins. Does that mean that the end pin, I guess either end, is a ground? My intent is to isolate a spur track with insulated rail connecters and then somewhere within that spur put power to the track. Do I take one leg of the connection, either N or S and run it to the spst switch? Connect to the end pin and the middle pin?
On a SPST switch - why the 3 pins? - Model Railroader Magazine
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