This is quite dangerous, you should check the transformer and call an electrician.
I am currently waiting for a phase monitor from the utility company, but since we just went through Ian it is taking some time. As an electrician I have checked everything internal to the home.
Have you removed the LED bulbs from the equation and tested with incandescent or halogens? This will give us insight into if there is any interference stemming from the LEDs, or if the LEDs are picking up any interference from an external source.
I am currently waiting for a phase monitor from the utility company, but since we just went through Ian it is taking some time. As an electrician I have checked everything internal to the home.