|
见标准 :UL 19931 a! c: O3 ] L3 f5 h) M6 _
5.2 Openings
8 S* F0 m. L, j5 s5.2.1 An enclosure shall not have openings wider than 2 mm (0.078 in), unless they do not permit a 2
; y2 `2 W8 F& }" t, Hmm (0.078 in) diameter rod of any length to contact live parts. The uninsulated live parts of a lampholder
2 }6 e$ g! i4 z4 A/ }" ^; _0 Z- }into which a lamp connects are not required to comply.+ t) L2 w& a' D- G! S( @- E# ^) B3 Z
. Y8 N5 ]( }. L2 |& e! n8 `
外壳如果有开口,不允许直径超过2毫米,除非2mm的探针不能触及带电导体(灯头部分除外)。
- `5 j0 E( X& G- u+ H9 u: N |
|