Can you put a dimmer on a transformer?
Yes, you can, however I would recommend you to use a 12VDC transformer otherwise if you use a 12VAC transformer you LED light will be flickering (at 60Hz) and it will be only about 35–40% of the maximum brightness.
How do you wire LED strip lights to a dimmer switch?
Simply connect the two output wires from the power supply to the dimmer unit, and then the two input wires from the LED strip. The dimmer simply acts like a valve, and the power supply unit will automatically provide the rated current and voltage to depending on the dimmer’s knob position.
What is a dimmable electronic transformer?
Dimmable LED transformers transform the higher voltage of mains power to the levels required by indoor light fittings, great for both replacement and new installations where in-built versions are not suitable.