Quote Originally Posted by cigarettes42
lumatek digital ballasts are endorsed by G.E. and UL rated
According to my information...the GE UltraMax electrontic ballast is UL rated (they have to be, to be sold in the USA, safely)...but not the Lumatek's..(made in Europe)

hopefully...soon...all digitals will be UL rated. Just as soon as one can pass UL/ANSI standards.