2 tube/3tube/4tube lumens comparison

[sameguy]

Yes in part, T= 0.25" so T12=3", T8=2", T5=1.25"; biggest size differance is T12 to T8.
I have not kept up but I'm sure they have made advancements in "coatings"and the electronic end of fireing the lamps.

 

[mcclary's electrical]

Yes in part, T= 0.25" so T12=3", T8=2", T5=1.25"; biggest size differance is T12 to T8.
I have not kept up but I'm sure they have made advancements in "coatings"and the electronic end of fireing the lamps.

I think its .125 per t

 

[sameguy]

Right you are 1/8th, brain fart sorry.