Do G4 Led Bulbs Need A Transformer. Three 35w spots with three 10w leds they will not work or not work well. They had stopped working due to a faulty 12v transformer i ve just replaced the transformer with a constant voltage driver 1 25w but with any more than 3. Some led bulbs work with 230 volt mains ac alternating current electricity for example the gu10 led bulbs.
As mentioned before most of the g4 leds operate on dc voltage so they will need a different power supply or transformer to operate. Three 35w spots with three 10w leds they will not work or not work well.
Best in this case is to replace the transformer with one suited for lower minimum loads sometimes called led light transformer.
Hi guys quick question regarding 5x mr16 gu5 3 led bulbs in downlighters. Depending on the bulb type the transformer driver may be built in to the bulb casing or may be located externally. For instance a 2 4w g4 led. All led bulbs require a driver a special type of transformer to work properly.