Apollo Horticulture Compact Fluorescent Grow Light Fixture Hood For Cfl Bulbs – The caps that sit on the base of a light bulb are equally as important as the bulb. True, those tiny metal fittings might appear fairly insignificant given their size but their importance is such that they dictate that bulbs can be fitted to that lighting fittings. Without the right cap, the space, alleyway, stairwell or backyard will remain in the dark.
With the range of lights that can be found in the marketplace nowadays, there are quite definite specifications to ensure the right bulb is fitted. For instance, both pin, or bi-pin, the cap on some lights can only be placed into bi-pin light sockets, therefore gu10 LED bulbs can’t be set in a light socket which isn’t designed for the gu10 cap. But, there’s more than 1 kind of bi-pin cap, with the cap on g9 halogen bulbs considerably different in appearance and design, and used exclusively with particular kinds of light bulbs.
The reason behind a cap is to allow electrical contact between the electrical supply and the lighting itself, without even leaving wiring and electronic aspects exposed. The metal pins make immediate contact with the power source, allowing the power to flow through the filament, creating the essential energy to cause the light to glow and provide the required illumination.
The entire range of caps is extensive, but they are sometimes 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 can be more often than not found on the normal incandescent bulbs choice for domestic lighting, though energy saving lighting also contain this cap to allow simple switch over to greener home lighting.
The design is a simple metallic cap at the base of the bulb with 2 ears, or small hooks, protruding from the side. The title bayonet is derived in the thrust and spin action that is needed to fit them.