I have 2 recessed Elco can lights (both low voltage w/ electronic transformers) and 2 pendant lights, also electronic transformers, with xelogen bulbs. I had an low voltage dimmer (electronic) installed and experienced a constant and loud buzz. I put in a regular incandescent dimmer and now only have a big buzz when I turn them on or dim up all the way. Unfortunately I did not separate the lighting circuits from everything else in the bathroom when I wired it initially so my air jet bathtub is on the same circuit. Is it possible that the pump on my tub is causing some harmonic issue? Why would I only have this problem in this room when I have low voltage through most of my house without issue. At my wits end please help.