07.04.039 FAQ about Compact Fluorescent Light Bulbs
many manual thermostats contain up to 3,000 milligrams. It would take between 100 and 600 CFLs to equal these amounts. The mercury in a CFL creates a mercury vapor inside the bulb when electricity passes through it. This mercury vapor gives off ultraviolet (UV) particles called photons that hit the phosphor coating inside the bulb.