If you’re putting in landscape lighting, here are a few things to consider. First, you will have to decide if you want a line voltage or a low-voltage system. This article recommends the low-voltage system – installation is easier and it’s much safer. Lighting kits usually include fixtures, cables, and the transformer, but generally cannot be added on to or adjusted. Buying separate components will allow you to customize your system and you can make sure you’re getting quality parts. Create a weatherproof system. The safety low-voltage cable can either be on the ground or buried six inches below ground.
Read the full article here: Low-Voltage Landscape Lighting