With Cir-Kits Chandelier Adapter you can plug-in and un-plug chandeliers, wall sconches, coach lights, or pendant lights. This is extremely helpful when you need to replace a light bulb. Each of the different sizes have the same components. The only difference is the size of the adapter disc. The pin configuration is the same for each unit. Purchase the adapter that has an adapter disc approximately the same size as the cowling piece of your light.