Touch the solder and the soldering iron to the stripped end of each wire, leaving a small drop of solder on each wire. Repeat the process on the other side of the rail, using the second stripped wire. Now you'll need to attach the other ends of the wires to the back of the transformer box. Bring the wires from under the table through the hole you created in it. Bend the end of each wire to create a small hook, which will make it easier to place the wire on the back of the transformer.
Transformers vary greatly, so make sure to read the directions in the owner's manual.
Before plugging in the power supply, use an eraser-type track cleaner to remove any solder or particles that may have gotten on the track . Brush the track cleaner back and forth along the track a few times, making sure to follow the rails. Designing a Layout DIY Model Railroads host Ted Brown and model railroader Jay Caplan discuss how to design a layout. It's wise to plan your layout even before laying the track. Our layout was designed to have a 1950s theme and includes a downtown with numerous buildings, a mountain and quarry, a tunnel, a lake, a bridge, two industrial structures and a home.