Okay here goe's....I have 3 flourecent lights...i ran 12-2 from the panel box to the Double Tube.....and from the double tube i ran 12-2 ...to the 2(two) single tubes....whalllllllllla...i turn the power on....and the 2(two)single tubes burn bright but the double tube acts like it's on low voltage....or even sometimes dont even burn......im pulling my hair out here..i know it's got to be something simple...but what is it...I NEED HELP..!!!!!!...Badd 