The part of the lamp that connects into the light fitting is usually known as the cap or base of the light globe. A variety of connection fittings exist, and it is important to know what type of cap or base you will need:
The most popular fitting, this push and twist action globe suits many existing light fittings in Australia.
Edison Screw Cap
Named after the inventor Thomas Edison, the screw cap is used in a wide variety of settings and sizes.
LED capsules are usually measured by the millimetres between the pins, e.g. G24 has 24mm between pins.
The most common LED spotlights are usually a push fit or twist and lock.
Fluorescent tubes usually have a two pin fitting system at each end of the tube.