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节能灯的lamp base需要做SCREWSHELL AND SCREW BASE CONFORMITY TESTS - GO/NOT GO和拉力及扭矩测试MECHANICAL STRENGTH OF SCREWSHELL AND SCREW BASE,测试来源于UL 496。& U6 v9 A( U A0 x3 ?: @ T
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对于E26的lamp base,拉力是20磅,扭矩是20 lb-in;9 m* g3 L5 t0 S0 F- ^* f1 U* q$ I