What Is A Bayonet Bulb Base

Bayonet based abbreviation is ba followed by a number which represent the base diameter in mm ba15 base is a bayonet base with a diameter of 15mm 0 59in the lower case after the base diameter represent the number of contact on the bottom of the base and based on the number of contacts there are 2 base types.

What is a bayonet bulb base.

The number refers to the diameter of the base e g ba22 is a 22 mm diameter bayonet cap lamp. Pick from led light bulbs halogen light bulbs automotive light bulbs ansi code light bulbs incandescent bulbs miniature light bulbs and specialty light bulbs. This post covers screw bases. You need to know the technical name for bulb bases.

Bayonet medium by22d index double contact bayonet wedge bases wedge wedge d f. Screw base bulbs often called edison bulbs are named after their inventor thomas edison. Bayonet bases or caps are often abbreviated to ba often with a number after. Narrow results by base type.

Determine if the bulb is a bayonet type base by looking for a smooth sided base such as a screw base without threads. There are one or two contact points on the underneath of the base. 1142 ba15d 12 1156 ba15s 15 1157 bay15d 5 921 194 1 bau15s 2 ba15s 1 1 25 of 26 results. In stock and ready to ship.

Ba15 a 15 mm base can also be referred to as sbc standing for small bayonet cap. Pins grooves or flanges protrude from the sides and are either straight across or slightly offset from one another. Bayonet bases miniature bayonet double contact bayonet ba15d single contact bayonet ba15s d. Ba15d bayonet base led light bulb 120 volts 8 5w 75w halogen bulbs equivalent replaces jd type t3 t4 clear bulb warm white 3000k for pendants ceiling fans sewing machine light pack of 2 4 5 out of 5 stars 567.

First you have to determine if it s a screw bayonet wedge or bi pin base. The lower case letter s or d specifies whether the bulb has single or double contacts. In north america and europe these light bulb base types are the most common and widely used. There are tens of unique bases for light bulbs.

Click here to save and print what is the difference between light bulb bases. The most familiar is the edison screw base found on most. Types of light bulb bases find the light bulb you need using this visual light bulb base chart and detailed illustrations of general light bulb bases fluorescent bases and specialty halogen base types.