FAQ's How many fixtures can I connect to one line? It all depends on location of transformer and the total amount of watts being utilized in each fixture. Is a low voltage lighting system safe? Yes. Our systems transformer converts line-voltage (120 volts) down to low voltage (12 volts). How energy efficient is a low voltage lighting system? Extremely efficient. 250 to 500 watts of power can illuminate a home and landscape. More energy is used leaving your bathroom lights on at night. I am considering purchasing hardware store lights, but i have heard they are undependable. What assurances do I have when I purchase your lighting system? First, you will have 24 hour access to e mail us with any questions or concerns about our system. Also, we offer only Nightscaping(trademark) lighting systems, which carry the longest warranties (10 year on fixtures, lifetime warranty on transformer). We are unaware of any higher quality lighting system then ours.