High Temperature Resistant Light Bulb – The caps that sit on the foundation of a light bulb are equally as crucial as the bulb themselves. True, those little metal fittings might appear fairly insignificant due to their size but their significance is that they dictate that bulbs can be fitted to that light fittings. Without the ideal cap, the room, alleyway, stairwell or bathtub will stay in the dark.
With the range of lights that can be found in the marketplace today, there are very definite specifications to ensure that the ideal bulb is fitted. By way of example, both pin, or bi-pin, the cap on certain lights can only be placed in bi-pin light sockets, so gu10 LED bulbs cannot be set in a light socket that is not meant for the gu10 cap. But, there is more than 1 kind of bi-pin cap, with the cap on g9 halogen bulbs considerably different in appearance and design, and utilized exclusively with particular kinds of halogen bulbs.
The main reason for a cap would be to permit electrical contact between the electric supply and the light itself, without even leaving wiring and electronic aspects exposed. The metal pins make immediate contact with the electricity source, allowing the electricity to flow through the filament, producing the essential power to create the light to glow and provide the necessary illumination.
The full range of caps is extensive, but they can be broken down into three principal kinds, namely the bayonet, the Edison screw and the bi-pin. |} Bayonet Cap This is arguably the most identifiable cap and is more often than not discovered on the ordinary incandescent bulb choice for national lights, although energy saving lights also feature this cap to permit easy change over to counter house lighting.
The layout is a simple metallic cap at the bottom of the bulb with two ears, or small hooks, protruding from the side. These two pins lock into slots in the side of the socket, to hold the bulb in place. The title bayonet comes from the thrust and twist action that’s necessary to fit them.