120v 60hz 9w Light Bulb – The caps that sit on the foundation of a light bulb are equally as important as the bulb. True, those tiny metal fittings may seem fairly insignificant given their size but their importance is such that they dictate that bulbs may be fitted to that light fittings. Without the right cap, the room, alleyway, stairwell or bathtub will stay in the dark.
With the selection of lights available in the marketplace nowadays, there are very definite specifications to ensure that the right bulb is fitted. By way of instance, the two pin, or bi-pin, the cap on some lights can only be put in bi-pin light sockets, therefore gu10 LED bulbs can’t be set in a light socket which is not designed for your gu10 cap. However, there’s 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 certain types of halogen bulbs.
The main reason for a cap is to permit electrical contact between the electric supply and the light itself, without leaving wiring and digital aspects exposed. The metal pins make immediate contact with the power supply, allowing the power to flow through the filament, creating the essential power to create the light to glow and provide the required illumination.
The entire selection of caps is extensive, but they can be broken down into three main kinds, namely the bayonet, the Edison screw and the bi-pin. |} Bayonet Cap That is potentially the most recognizable cap and is more often than not discovered on the ordinary incandescent bulb selection for national lighting, although energy saving lighting also feature this cap to permit simple change over to counter house lighting.
The design is a simple metallic cap at the bottom of the bulb with two ears, or small pins, protruding from the side. These two pins lock into slots in the face of the socket, to hold the bulb in place. The title bayonet comes in the thrust and spin action that’s necessary to fit them.