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jsspace 发表于 2014-6-27 08:38 
6 h, z( l/ O" C0 x4 G3 x以前小家电我记得SELV是不用做球压的
0 d! P7 i. o/ q: t! l7 K$ Q6 {难道小家电就不用考虑过热？
可以对比下两个标准的描述：家电没有提及SELV, 符号8.1.4要求的不算live part,也就不用做， 灯具直接提及SELV也需要，我想主要是从使用环境上考虑。灯具允许直接与可燃物接触。0 x! t- W9 v; t$ n# D) `
2 i' B$ p8 u% m13.2 Resistance to heat （EN 60598:2008）+ b1 c1 o% a+ p1 Q2 K. _
External parts of insulating material providing protection against electric shock, and parts of
1 R; ~) m3 m9 [5 T8 h) s' Xinsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently. `! c& ?! u, V8 r* G- A2 u
resistant to heat.1 [% N: n9 s7 E. V0 ?% e9 ?( P
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide+ z4 A: i/ S( x! z# t& i9 T! L+ _
supplementary insulation. n9 v- P! o0 I! V g) K& C
' ?8 u Q+ K4 p2 x# [$ l1.2.15
' H9 }) s* C$ d; V0 x+ X! dlive part C- h& b' @. V* Z6 Q
conductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.
9 s- b* o+ S* d8 e/ N5 Y. j# jNOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is7 D" ]/ U" J' d+ `
given in Annex A.% q$ ]# T- T B, ?
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30 Resistance to heat and fire (EN 60335-1:2012)
# m+ y3 H; Q- V' W3 N30.1 External parts of non-metallic material, parts of insulating material supporting live
h- O) J0 K+ G* P$ U" I' Y4 @5 `8 Lparts including connections, and parts of thermoplastic material providing supplementary
1 }1 l; y) _# o3 Ginsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration
, P1 o( `: r# o; p) N1 c# |: Hcould cause the appliance to fail to comply with this standard.5 H% m' m1 W" d# i5 y
This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
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3.6.43 N' t7 a$ v- Y) h0 A" Y
live part
9 P7 I: p# ^, s Q- c0 Mconductor or conductive part intended to be energized in normal use, including a neutral" r4 g- t+ y* ^+ ~
conductor but, by convention, not a PEN conductor
* m$ z9 A& n0 P" y" c8 G0 iNOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
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