If the distance is 20 feet you need 40 feet of wire.
What size wire do i need for led lights.
12 volt led light strips.
Now i personally use a solid core 18 gauge wire for all my lights and would recommend you do the same.
The first number is the wire gauge.
Learn the basics of led lighting and how to power.
Use a tape measure to measure the length of the wire you intend to use.
It s ok to wire a 15 amp light circuit with a 14 gauge wire to save a bit of money and make the wiring job a bit easier.
You need to match wire size with rated ampacity to ensure safety and efficiency.
If there is some pre installed factory wire and you have changed the lights.
What type of led driver do i need.
The cost difference between it and smaller cable is essentially negligible and 18 gauge is about as big as you can go if you still want to be able to fit it into most cob holders or terminals.
Your ultimate guide on buying led strip lights 92 9k views.
More factors that influence wire size.
Make a note of the result.
That means first you determine what size wire you need based on the length of the wire run to the 150 watt lights.
Constant voltage 75 8k views.
As the wire size amp rating chart at cerrowire states under normal household temperature conditions the maximum current rating for a 14 gauge wire is 15 amps while that for a 12 gauge wire is 20 amps.
Transformers generally range from 150 to 900 watt capacity.
Eighteen led lights 5 watts each 24 awg plus two additional led lights 5 watts 22 awg using two flasher relays half the lights on each for a sign.
The 14 gauge wire or 14 2 and 14 3 type nm is most commonly used for home lighting circuits because most switches for homes are rated for 15 amps therefore using a larger size would not be compatible with these devices and it would not be as easy to make the connections when using a larger wire size.
You need to do this from the last led you are wiring to the power supply.
Other factors that affect wire size are the length and wire type.
Wire gauge or size can be found printed on electric cables.