T8 LED Bulb Replacement Wiring Instructions, specs from T8 LED Wiring Instruction Diagram (with Ballast & Starter) 1) Remove original T8 fluorescent tube. 2) Remove or Short Ballast and Starter if present. 3) Insert T8 LED Replacement into luminaire. 4) See Diagram Below for Proper Wiring Information. A) Note: only T8 Led Tube Light Wiring Diagram | Free Wiring Diagram Assortment of t8 led tube light wiring diagram. A wiring diagram is a simplified standard pictorial representation of an electrical circuit. It shows the parts of the circuit as streamlined forms, and also the power and signal connections between the gadgets. Direct Wire LED T8 Tube Lights and What You Need to Know If you’re looking to make the switch to LED but you need some help wiring T8 LED bulbs and fixtures, read on to learn more about the installation process. We will try to give you a good understanding of non-shunted sockets and the powering of these lamps using these helpful tips and the LED tube light connection diagram below.