Installation lamp holders are divided into bayonet, screw, bakelite, plastic, metal, ceramic and other materials from the material is divided into commonly used such as E27 lamp holder screw lampholders is the most common energy-saving lamps and fluorescent in conjunctionthe lamp holder is usually known as the T8 lamp holder or T5 lamp holder, and the other up to IP68 the holder protection level according to the environment, at the time of purchase in accordance with the need to develop appropriate IP protection level holder (waterproof), usually withlamp holder will use the IEC (International Electrotechnical Commission standard) safety certification, lamp holders Category: E14, E27, E12, E26, E usually begin: screw lampholders
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