Bayonet Cap Fitting Types

They are used in a variety of lighting around the home and one of the most common types of fittings.

Bayonet cap fitting types.

Bayonet caps and gu10. The commonly used bulbs in the uk. Also known as the twist and lock bulb a bayonet cap bulb has two pins which retract and then expand into slots inside the fitting when twisted. There are many variations of a bayonet cap including some three pin versions known as b22d 3 found in new build homes and on some high pressure mercury lamps for industrial use.

There are a vast variety of caps and bases that exist in order to help make sure that only the correct type of lamp is used in any given fitting. Caps provide the electrical contact to conduct electricity to the light bulb but it also helps to secure the light bulb into its fitting. This section shows many of the most popular fittings. A bayonet mount mainly as a method of mechanical attachment as for fitting a lens to a camera or bayonet connector for electrical use is a fastening mechanism consisting of a cylindrical male side with one or more radial pins and a female receptor with matching l shaped slot s and with spring s to keep the two parts locked together.

Bayonet caps are mainly used in great britain and are distinctive by their push and twist action to install. The most common code is for bayonet caps is b22. Bayonet cap bulbs use a twist and lock action to secure into the fitting. Bayonet cap named for a fitting design that utilizes the same push and twist action used by soldiers to mount bayonets to their rifles a bayonet cap is the most commonly used base in the uk.

If your light fittings don t take screw cap bulbs odds are they require bayonet cap bulbs.