On 9/16/2012 8:09 PM, Tom Knox wrote: > > In this green era here in the USA there is a big push toward CFL > lighting. Problem is I can see my CFL lighting on my PN measurements > and other equipment. I am finding it is very noisy Run 12 VDC lighting, or hydrocarbon (NG/propane/naptha, which is noisy in a different way.