What Is The Base Of A Standard Light Bulb

For medium base ceiling fans rough service bulbs work the same way.

What is the base of a standard light bulb.

Bulbs with these bases are the most popular of all screw base bulbs. What are the different light bulb bases. Screw in bulbs use a base called an edison screw or es base. Find the light bulb base type you re looking for with this visual chart detailed illustrations of general bases fluorescent bases and specialty halogen base types.

They may have a different shape from standard a shape bulbs or have a smaller candelabra base. Standard medium a regular sized screw in base usually denoted with an e26 or e27. E26 is 26 mm and the e27 is 27 mm diameter. However an e26 bulb can fit in e27 base and an e27 bulb can fit in e26 base without problem.

This base was developed by thomas edison for the first light bulbs and is still in use today. All standard 100 75 60 and 40 watt incandescent bulbs have been phased out and will no longer be produced. Incandescent bulbs used to be the industry standard but laws now require new energy efficient standards for basic light bulbs. The extra thick filament extends the life of the bulb when used in high vibration applications such as a ceiling fan or garage door opener.

The e26 is the standard 120 volt american base. The e27 is the european variant and is rated at 220 volts. Candelabra a smaller screw in base denoted most often with an e12. The light bulb base and socket are manufactured in a way that predetermines the light bulb s position in the socket.

Screw in bulbs use a base called an edison screw or es base. 1 888 455 2800 fax 1 508 363 2900. The first letter designates the shape or form of the base and the number represents the width of the base normally in millimeters. The most common light bulb base types are.

A19 bulbs are the most common light bulb shape so this is what you ll see the most. They are commonly used for general lighting in standard light fixtures such as ceiling lights lamps can lights outdoor spotlight and flood light fixtures and. Many specialty incandescent bulbs such as chandelier bulbs will remain available. Shoppers of led light bulbs often confuse the specifications for base type e26 or e27 and bulb shape a19.