Check the led data sheet to identify the anode and cathode.
12v dc power supply led.
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Connect the other side of the resistor to the anode of the led.
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The cathode is commonly the shorter lead and located nearest any flat side of the led.
12 watts 16 watts 25 watts 35 watts.
Connect the positive terminal of the 12 volt power supply to one side of the resistor.
A variety of 12vdc power supplies capable of transforming a wide range of ac power input to 12vdc power output for usage with 12vdc led products only.
90 264v ac.