45+ Incandescent Light Bulb Images. Alibaba.com offers 14,535 incandescent light bulb products. Incandescent light bulbs usually contain a stem or glass mount attached to the bulb's base which allows the electrical contacts to run through the envelope without gas/air leaks.
Enjoy free shipping on most stuff, even big stuff. An electrical current passes through a thin filament, heating it and causing it to become excited, releasing light in the process. An incandescent bulb is almost entirely made of glass except for the metal bit that plugs or screws in.
Although incandescents output most of their light in infrared waves (i.e.
Shop by bulb shape code. Incandescence is light produced by heat. When making a selection below to narrow your results down, each selection made will reload the page to display the desired results. It works by passing electricity through an electrical filament which then releases the energy in the forms of light and heat.