A train approaching the arrangement may leave by either of the two tracks on the opposite side of the. On the great western railway they were known as double compound points and the connections were slip roads.
Technical
Double slip switch diagram. A double slip switch is an acute angle crossing with four pairs of points making connections within the crossings. To wire a double switch youll need to cut the power remove the old switch then feed and connect the wires into the double switch fixture. The diagram below shows how to wire up a live frog crossing eg. The only peco double slip using code 100 rails that i can find is the peco sl 90. With the advent of electrically operated plants pairs of switches could work in unison but would still occuply two slots in the interlocking frame. A double slip switch double slip is a narrow angled diagonal flat crossing of two lines combined with four pairs of points in such a way as to allow vehicles to change from one straight track to the other as well as going straight across.
For example you might want to turn on a bathroom light separately from the ceiling fan. A peco electrofrog diamond crossing with an auto reverser feeding the frogs. I have scanned and added pages 14 15 from this publication below. The reader should consult a good photograph to understand the layout. Though it is not difficult to wire a double switch careful attention to safety is crucial to prevent injury. This is an insulfrog double slip point.
Regardless of whether the crossing includes a single or double slip a dcc auto reverser can be used to switch the phase of the frogs. So yes a double slip switch would take four to eight levers to align it. From your text description regarding the wiring diagram it sounds as if you are referring to the peco wiring the layout part 3 booklet 21 publication.
Gallery of Double Slip Switch Diagram
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