引用第6楼sinian519于2008-06-27 12:49发表的 :9 b# H. T& `* O2 g! ]; g( b
UL1598里面规定一定要接地:
6.14.1.1 Non-current-carrying metal parts and metallized polymeric parts that are accessible during user maintenance or component replacement without the use of tools and that can involve the risk of shock shall be bonded to ground and shall comply with the bond impedance test of Clause 17.2.
6.14.1.2 The following parts are not required to be bonded to ground:
(a) the links of a metal chain used to support a pendant luminaire;
(b) accessible non-current-carrying metal parts of luminaire components (for example, lampholders and switches) that are isolated from live parts; or
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引用第12楼19800108于2008-07-28 08:47发表的 :
如果整个灯都是用塑料做外壳的是否可以不带接地呢?
引用第15楼yangjinkey于2008-09-05 03:34发表的 :
不一定都要接地,一般壁灯,吊灯和户外灯等要接地。户内桌灯,地灯等可接可不接地。
引用第16楼wwnw_007于2008-09-05 08:57发表的 :
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在美标中也有I类与II类、III类的产品的,所以台灯没有接地、地灯没有接地,因为是II类或III类结构哟!
引用第10楼winny于2008-07-19 17:25发表的 :
根据标准可以不用接地,但要满足不可捉摸,不能带电.
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