Shunted vs Non-Shunted Lampholders — 1000Bulbs Blog
Single-end LED tombstone conversion shunted to non-shunted - YouTube
LED Tube Lights Guide | What You Need to Know
T8 LED Fluorescent Tube Lamp Holder Tombstone, Non-shunted Turn-Type G13 Base, Medium Bi-Pin Socket, for LED Fluorescent Tube Replacements Turn-Type Lampholder Pack of 20 : Amazon.co.uk: Lighting
Shunted and Non-Shunted Sockets Explained - TCP Lighting
Non Shunted Turn Type T8 Lamp Holder Socket Tombstone LED Fluorescent Tube Replacements Medium Bi Pin Socket For Programmed Start Ballasts From Sunway518, $92.75 | DHgate.Com