What Does Mogul Base Bulb Mean

If you see a metallic base with screw threads approximately 1 inch in diameter you most likely have an e26 bulb.

What does mogul base bulb mean.

Base types for hid lamps. Screw in bulbs use a base called an edison screw or es base. In terms of technology mogul base led bulbs mogul base compact fluorescent bulbs and mogul base halogen mercury vapor metal halide and high pressure sodium bulbs are. This base was developed by thomas edison for the first light bulbs and is still in use today.

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. You can most instantly recognize an e26 bulb by looking at the bottom or non light emitting side of the bulb. Some ceramic metal halides also come in a pin base. For example most of the time anything below 150 watts has a medium base.

A21 bulbs always use e26 but not vice versa according to ansi standards a21 bulbs must always use an e26 base for mounting into a light fixture. Be aware however that the opposite does not hold true. Now that we have learned that e26 and e27 are terms used to describe the type of base used what does a19 or bulbs with an a designation mean. Most hid lamps have either a medium or mogul base.

E39 e40 mogul edison 39 mm or 40 mm diameter. E39 bulbs are primarily used in north america while e40 bulbs are popular in europe. And anything above 300 watts typically has a mogul base. An e26 bulb therefore is any bulb or lamp that utilizes the e26 cap or base for mounting and electrical contact.

Not all e26 bulbs will be of a21. Pick from led light bulbs high intensity discharge hid light bulbs and specialty light bulbs. Mogul base bulbs are made of cast porcelain to tolerate higher temperatures making them ideal for industrial and commercial uses e g power ratings of 250 1000 watts. A21 and e26 refer to different things but in this case you will find that all a21 bulbs use e26 lamp bases.

A type describes a bulb that has a pear like shape. The number that follows the a within the a series indicates the width of the bulb in one eighth inch units or in millimeters. Bulbs with these bases can be used interchangeably as there is only a 1 millimeter difference in base size.