Quote Originally Posted by Martinco View Post
The one's I have has an E40 base and no other switch gear was supplied. Only the lamps.
I know that they do work if I screw them directly into a fitting with no ballast inside but I am not sure if I should try these in the new hi bay fittings fitted the other day without having the ballast removed.
As Sparks says, make the switchgear redundant and just connect power directly to the lampholder.
If you know for a fact a lamp runs without a ballast connected then there's a very good chance you'll destroy the lamp quicksticks if you put it in a fitting that still has a ballast connected.