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Home » FAQs » How to choose the porcelain lamp holders?
How to choose the porcelain lamp holders?
2013-02-15 17:00:20

Firstly take and look at the procelain lamp holder, good feel very heavy, porcelain lamp holders wall thickness, the most critical internal must be copper contacts, the contacts flexibility is better, by hand or stick pressure shrapnel, take a look at the elasticity. But the shrapnel can not be too thin, in particular is used in the light source above 250W, to consider whether it can long withstand large current startup. Screw bulb test with the lamp, to see whether the screw can clench lamp, and whether it can be screwed into place. After a few steps, I think you can judge the quality of the lamp holders.

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