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BULB 1816 (521816) consists of a light-emitting filament, a stem that retains the filament, and a metal base that screws into a socket, such as one found in a lamp or ceiling fixture. As one of the most successful inventions, the parts work together. The light bulb's base has three primary functions. It secures the light bulb within an electrical source unit like a lamp or a light fixture starter. The base's second function is to carry electricity from the electrical source to the light bulb's inside. The last role is to seal the globe and all components inside the bulb.
Key Features:
Specification:
Heavy duty glass envelope for break resistance. Nickel-plated brass bases prevent corrosion while insuring a positive point-of-contact. Filaments, with rough service" design, permit hours of reliable burning. Tested for dependability. Base Letter Details - E. Wedge Base F. Wedge Base G. Miniature Bayonet Base H. Miniature Bayonet Base I. Miniature Bayonet Base J. Miniature Bayonet Base K. Double Contact Bayonet Base L. Double Contact Bayonet Base M. Double Contact Bayonet Base O. Single Contact Bayonet Base P. Single Contact Bayonet Base Q. Single Contact Bayonet Base R. Single Contact Bayonet Base S. Double Contact Index Base