Create Trenches
Dig Trenches
Dig your trenches for your main wire runs. Most people use a shovel or spade for trenching, but more specialized tools are also available. The exact depth of the trenches is determined by your local codes, but low voltage cable is typically buried at least 6 inches deep. Once dug, place the wires in your trenches and cover them completely with dirt. Be sure to leave at least 5 feet of unburied wire at each end, so that you have room for adjustments later.
Connect System
Begin connecting your system. For a simple connection process, use a clamp connect transformer, which uses levers instead of the screw mechanism to clamp to the wires. Start by connecting your transformer to your main runs. This is done by placing one strand of wire in the com terminal and the other in a terminal marked either 12 volt or 15 volt. The 12 volt tap is for shorter wire runs with fewer fixtures while the 15 volt tap is for longer runs that draw more power. Wire exiting the transformer should be protected with conduit until it reaches the ground.
