Tragic420 Well-Known Member Jun 16, 2020 #1 Someone gave me four 400w MH high area bay lighting.. he said they worked but I plugged them in and the ballast just hums.. how do I know if it's bad ballast, capacitor or light?
Someone gave me four 400w MH high area bay lighting.. he said they worked but I plugged them in and the ballast just hums.. how do I know if it's bad ballast, capacitor or light?
Tragic420 Well-Known Member Jun 17, 2020 #4 I have 3 bulbs, I think they are all blowed. I put one in my 250w light and it didn't even try to eliminate. Nothing.
I have 3 bulbs, I think they are all blowed. I put one in my 250w light and it didn't even try to eliminate. Nothing.