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What are the different types of cap and base?

Light Bulbs With All 4 Popular Cap/Bases

There are many different types of cap and base. The more common caps and bases include 'Edison Screw', 'Bayonet Cap', 'Small Bayonet Cap' and 'Small Bayonet Cap'.

To view the more unusual caps and for a complete guide to light bulbs bases view our lamp base examples page.