For the vast majority of residential landscape lighting projects, 14 gauge or 12 gauge will work just fine. 12 gauge wire would have worked fine as well and in our situation would’ve made absolutely zero difference.ĭon’t stress about the wire choice. I ended up purchasing the 14 gauge wire because some Amazon reviewers had commented that the lights we purchased used 14 gauge wire. I went back and forth between 12/2 and 14/2 wire. Every online source lists slightly different numbers, but if you are going to run close to 200 watts or more, 14 gauge wire may be too small. There are also some wattage considerations when choosing your wire. But even with 14 gauge wire, there will be no significant voltage loss unless you start getting out to wire lengths over 100 feet. 12 and 14 gauge wire seem to be common for most projects.Īs a general rule, the thicker the wire (lower gauge) the less voltage will drop over long distances. When it comes to gauge, it’s not an exact science. For low voltage landscape lighting, you will need two strands. 14/2 means that it is 14 gauge wire with two strands in the cable. The second number is the number of strands of wire in the cable. For example, 12 gauge wire is thicker than 14 gauge wire. A lower number or “gauge” means a thicker wire. When looking at low voltage wire or landscape lighting cable on Amazon, you’ll see everything listed with two numbers.
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