Silver Gray Wood Flooring – The caps that sit on the foundation of a light bulb are just as important as the bulb themselves. True, those tiny metal fixtures may seem rather insignificant due to their size but their significance is such that they dictate that bulbs may be fitted to that lighting fixtures. Without the right cap, the room, alleyway, stairwell or bathtub will remain in the dark.
With the selection of lights that can be found on the market nowadays, there are very definite specifications to make sure the right bulb is fitted. For example, both pin, or bi-pin, the cap on certain lights can only be placed into bi-pin light sockets, so gu10 LED bulbs cannot be placed in a light socket which is not designed for the gu10 cap. But, there is more than 1 type of bi-pin cap, together with the cap on g9 halogen bulbs considerably different in appearance and design, and used only with particular kinds of light bulbs.
The main reason for a cap is to permit electrical contact between the electric supply and the lighting itself, without leaving wiring and electronic aspects exposed. The metal pins make immediate contact with the power source, allowing the power to flow through the filament, producing the necessary energy to create the light to shine and provide the required illumination.
The entire selection of caps is extensive, but they can be broken down into three main types, namely the bayonet, the Edison screw and the bi-pin. |} Bayonet Cap This is arguably the most recognizable cap and is more often than not found on the normal incandescent bulbs choice for domestic lights, although energy saving lights also contain this cap to permit easy change over to greener home lighting.
The layout is a simple vertical cap at the bottom of the bulb with two ears, or small pins, protruding from the side. These two pins lock into slots at the face of the socket, to hold the bulb in place. The title bayonet comes from the thrust and spin action that is necessary to fit them.