Light Bulb Fitting Types

The letters tend to stand for the name of the fitting and the numbers are the diameter of the fitting in millimeters.

Light bulb fitting types. Light bulbs are available in a variety of shapes and bases to fit your needs. Different light bulb fittings at a glance. For example an e27 is an edison screw bulb with a diameter of 27 millimeters. Bulb types that start with e are screw fittings and those that start with gu are click fittings.

There are more than 100 different bulb fittings for lamps. What are the different types of light bulb fittings caps and bases. All light bulbs have a code to identify their type of fitting. Most light fittings or luminaires have a lamp holder.

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. Edison screw caps take their name from the inventor of the light bulb thomas edison and are universally used for a range of applications. They also use less electricity to produce the same amount of light as incandescent varieties. These types of light bulbs fit a variety of fixtures.

Your lamp or fixture s socket will dictate which cap or base a light bulb needs in order to fit but there are a number of different base types and sizes to choose from and it s not always easy to determine which type is right for your fixture. The part of the lamp or light bulb that connects into the light fitting is generally known either as the cap or base. 1 888 455 2800 fax 1 508 363 2900. Vintage and decorative bulbs are perfect for adding a bit of style to your room décor.

Caps provide the electrical contact to conduct electricity to the light bulb but it also helps to secure the light bulb into its fitting. Their brightness is measured in lumens instead of watts. The table below shows the most popular caps but other less common types are available including e11 e17 e26 and e39. Types of lamp fittings.

The cap or base of a light bulb joins the bulb to the lamp socket in order to provide an electrical connection. A lamp holder is the device for holding a light bulb or lamp. However we have listed the 8 most common and used bulbs for you and the type of lamps they are most suitable for.