Why are my low voltage outdoor lights so dim?

I was wondering what the best wattage transformer and wire I could use for the lights? I have a one fixture which is about 45 feet from the power supply and when I had a 300 watt transformer with 12 gauge wire the lights were really dim the further from the transformer you got. Any ideas?

Check out our DESIGNING LOW VOLTAGE LIGHTING SYSTEM page for specific solutions

Assuming you have 300 watts total on 12/2 cable that is overloaded. Split the lights into three home runs back to the transformer and that will solve the problem. FYI - 300 watts divided by 12 volts equals 25 amps. 12/2 wire is only rated for 20 amps!

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Labels: Dim Outdoor Low Voltage Lights, Low Voltage Lighting System, Transformer Wattage and Wire

posted by xinger @ 9:13 PM