Cool Max Wire Distance For Led Landscape Lighting References. What wire is best for 12v led lights? Web we have developed easy “rules” to follow to ensure that your low voltage system is installed with even voltage to all your fixtures.

As a great rule of thumb, never mix wire sizes. Web wire size can affect voltage and voltage drop, a concept we’ll explain below. I have measured the individual led and get ~5.54dvc per led measuring with a multimeter.