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Lamp Bases

There are a bewildering array of lamp bases available for light fittings and in can be confusing when selecting a wall or table light for example.

For decorative light fittings there are two main types of holder -

  • Edison Screw (ES)
  • Bayonet Cap (BC)

and these are available in a number of sizes.  Please use the image below to help you identify the correct holder type and size.

Lamp Base Types and Sizes