| 摘要 |
An improved insulated structure of a light bulb assembly, includes a bulb engaged within a bulb holder received in a housing. An improved connecting beam with two lower steps is formed on the holder to be received in an inner hole having a similar configuration of the housing. After connecting the bulb holder and the housing, the light bulb assembly can provides a perfect sealed connection for insulating infiltrating water or moisture to prevent an electrical short circuit and damage.
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