Why you need this:
Running wires is the bane of a model railroader’s existence. Hooking up an accessory or track or switch takes lots of wire. Wire management can be a tedious and take more time then the actual wiring.
This article will show you how to hook up your water tower so it does not need all those wires. And once you have done a water tower, you will see that this can be used for most accessories.