+B22 is a common [bayonet cap](/wiki/bayonet_cap) fitting for [light bulbs](/wiki/light_bulb), distinguished by its two opposing pins. This electrical connector secures the bulb into a lamp holder, widely used in domestic and commercial lighting.
+## See also
+- [Lamp Holder](/wiki/lamp_holder)
+- [Lighting](/wiki/lighting)
+- [Edison Screw](/wiki/edison_screw)
... 1 more lines