What does Base mean in the Lighting Industry?

The Base is the bottom of the lamp that is screwed onto the socket. It holds the lamp in place making it possible to connect it to the electrical supply through the socket. Screw bases are the most frequent type of bases for incandescent and led lamps.

Light Bulb Bases

What is an E26 Base Light Bulb?

An E26 Base is a screw-in type light bulb. It has threads on the bottom that require you to twist the light bulb to install. The "E" in the name, refers to Thomas Edison.The "26" in the name, refers to the diameter of the base in millimetres. Therefore, an E26 base light bulb has a diameter of 26 millimetres. The E26 base is used in common household bulbs such as A19 and flood lights PAR20, PAR30, PAR38, BR20, BR30, BR40

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What is an E12 Base Light Bulb?

An E12 Base is a screw-in type light bulb. It has threads on the bottom that require you to twist the light bulb to install. The "E" in the name, refers to Thomas Edison. The "12" in the name, refers to the diameter of the base in millimetres. Therefore, an E12 base light bulb has a diameter of 12 millimetres. The E12 base is used in common decorative light bulbs such as chandelier and globe shaped bulbs.

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