Please make sure that there is always a lampholder mounted.
请确保总有一个灯座上。
To check lamp dimensions, particularly the combination of cap length and bulb shoulder shape, for contact-making in a lampholder.
检验灯与灯座接触的有关尺寸，尤其是灯头长度和玻壳肩部形状的组合尺寸。
The grounding conductor of a pendant luminaire may be terminated by hardware that is also used to secure a lampholder or lampholder bracket when that is the only available termination point.
吊灯的地线，没有选择余地的情况下，也可以接在用以保护灯头座或灯头座支架上的金属件上。
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