When retrofitting a fluorescent fixture to energy efficient LED tubes, use this innovative wiring harness from Keystone Technologies and save significant time on installation. Designed specifically for Direct Drive (Ballast Bypass) tube upgrades. Configured for 2, 3 or 4 lamps. #LightMadeEasy #LME #getlit Wiring Harness info: goo.gl/n7TWm8 Direct Drive T8 LED: goo.gl/jjeaNO