标题: UL1598 2008版与前一版比较新增项 [打印本页] 作者: barondavids 时间: 2008-11-29 11:14 标题: UL1598 2008版与前一版比较新增项 This new edition of UL 1598 is being issued to: ; s& j6 c s0 r( @6 ]
1. Revision of bonding circuit impedance test to revert back to the previous UL 1570 series standards $ d# K9 A# Q5 ^; ~* U* Y1 G
2. Add requirements for evaluation of accessible lampholder leads during normal use 8 l* N8 H+ F5 H* b
3. Add requirements for 60°C branch circuit conductors for temperature test exempt luminaires 6 m* V' l* k2 A0 j; S4. Add requirements for decorative part securement + S+ J6 K% O, g7 Z1 l" ^5 o
5. Add requirements for smaller gage wire conductors for Class 2 power limited circuits 7 y# _4 o0 i2 t8 o3 I- n/ J1 Z
6. Correction of dimensions specified in large scale fallout test , n' c3 C2 ~: i/ X* a/ O! h7. Add germicidal lamp marking requirements . ~9 i, u8 y# D$ I- s" n# j+ H8. Revise requirements for open holes and openings to reduce risk of fire when certain electrical components are used & X; q6 p+ n' B ^; a# |; H9. Add torque and strength test requirements for ground-screw assemblies 4 T/ |2 ]3 f- V* h3 K9 d
………… 1 u: X p" r5 W9 g" P可以看附件。作者: 依然 时间: 2008-11-29 19:49
最重要的是增加了一项接地螺丝的扭矩测试，任何灯具如果提供接地螺丝进行现场安装接地，包括cross bar上的接地螺丝，都要进行接地螺丝的扭矩测试。作者: lczok8751 时间: 2008-11-30 22:15
我们知道，接地螺丝有太多规格了，那扭矩到底规定是多少呢？作者: 浪子边城 时间: 2008-12-8 14:00
11月25日又更新了一次了， 作者: A19790414 时间: 2009-11-2 20:47
有没有最新版的？
