Generally, for 12V LED lights, you will need a 12V power supply rated at least the same as the total wattage of all the lights combined.įor example, if you have five LED lights each rated at 2 Watts, the total wattage will be 10 Watts, so you would need a 12V power supply rated at 10 Watts or more. The amount of power supply you need for 12V LED lights will depend on several factors, including how many lights you are using and the power consumption of each light. What power supply do I need for 12V LED lights? Advanced LED systems may use a dimmer system, which allows for the current draw to be adjusted according to the brightness of the lights. 6 amps, while a 50 watt 12 volt LED system may draw up to 2 amps. 02 amps to 2 amps of current, depending on the size of the fixture and the brightness of the bulbs that it contains.įor example, a cluster of 6 to 8 1 watt 12 volt LED bulbs may draw around 0. Generally, an LED light fixture that uses 12 volts will draw anywhere from between 0. The amount of current that 12 volt LED lights draw will vary depending on the type and size of the light. How many amps do 12 volt LED lights draw? In addition, the wire insulation must be rated for the temperature of the environment in which it will be installed. In most cases, it will be necessary to use two different colors of 12 gauge wire in order to provide the necessary polarity. When purchasing 12 gauge wire, be sure to check with your local electrical inspector in order to determine the minimum number of wires that must be used in order to be compliant with the local codes. This type of wire is also available in a variety of colors and lengths, which allows for a custom look depending on the installation. LED lights require much less current to power than traditional lighting for this reason, thicker electrical cables such as the 12 gauge wire, can be used and will still be able to handle the low power requirements. Yes, typically you can use 12 gauge wire for LED lights. If in doubt, it is always best to consult with a certified electrician or contact the manufacturer of the LED lights. ![]() It is important to ensure that the gauge and type of wire used are appropriate for the application and that all code requirements are being followed. If a higher wattage LED lighting circuit is being used, 14 or 10 gauge wire may need to be used. Generally speaking, the power is delivered to the circuit at 30 amps and that can be reduced to 15 amps at the furthest point from the power supply. The total length of the wire will then be determined by the location of the lights along the circuit.įor most applications, 16 or 18 gauge wire can be used for 12V LED lights however, if the current is high or very long runs are required, it is recommended to use 12 gauge wire. The current of the circuit can be calculated by multiplying the number of LEDs by the wattage and then dividing that number by the voltage. ![]() When selecting the right size wire for 12V LED lights, it is important to understand the total current of your lighting circuit and the total length of the circuit.
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