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ES Lamp Holders
ceramic es lamp holders

ES Lamp Holders E27 porcelain light bulb socket factory

  Ceramic es lamp holders E26 E27 with UL SAA: Dimensions and tolerances for screw ES Lamp Holders are standardized in ANSI standard C81.67 and IEC standard 60061-1. The two standards have mostly been harmonized, although several types exist in only one of the two standards with no equivalent in the other. The designation refers to the diameter in millimeters. ES Lamp Holders are characterized by good insulation
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