Please keep in mind that landscape lighting requires more than just the lighting fixtures. Landscape lighting systems also require cable and a transformer which provides power. Some points to remember: Total wattage and number of fixtures determine w hat power of transformer you will need. You can find transformers on our Landscape Lighting Accessories tab. Also see our Landscape Lighting Tips article for more information.If you are having a professional landscape contractor or electrician instal l your lighting ask if they provide transformers and cable or if you`ll need to purchase these along with your fixtures.Keeping these tips in mind will save you time and ensure your landscape lighting project proceeds smoothly