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jsspace 发表于 2014-6-27 08:38 
5 m( m& s, Y! Z5 V/ \5 M# H( p以前小家电我记得SELV是不用做球压的, M! f: I0 I, ]
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。
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13.2 Resistance to heat （EN 60598:2008）! Q, e' G) U# ? I q' n% u
External parts of insulating material providing protection against electric shock, and parts of
/ Q" i: D. z- h1 S- X: l: `7 A8 sinsulating material retaining current-carrying parts or SELV parts in position shall be sufficiently" B& ]2 N: d2 z: |
resistant to heat.. B5 W" {( C i% D2 }
The ball pressure test does not have to be applied to plastic parts of a luminaire which provide
2 w/ S( \# J6 J0 k4 `% _2 \; psupplementary insulation.
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1.2.15
, O$ { y- L7 ^* s3 Dlive part
2 ?% w* Y2 v4 H3 X: N! Dconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.% W; a. I/ q2 v6 `5 a
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
. J/ m1 u( a- _$ y# i Agiven in Annex A.
8 H% H( y: N; k6 |+ P4 h====================================================================
. l$ p8 w! O+ `8 s4 n. S' @30 Resistance to heat and fire (EN 60335-1:2012)5 H9 ?9 c# S0 i U. D j7 M$ P- u, q
30.1 External parts of non-metallic material, parts of insulating material supporting live
$ [9 A$ q0 e) |! l# zparts including connections, and parts of thermoplastic material providing supplementary% i4 n% F9 ]6 a# N" O$ ]. T
insulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration' g3 j9 r7 h7 l1 O% S9 m* p
could cause the appliance to fail to comply with this standard.
8 [+ E; w4 t8 Q2 v; @This requirement does not apply to the insulation or sheath of flexible cords or internal wiring.
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3.6.4
; K+ D {% ^1 p* k+ ^7 {$ Llive part
, f+ k7 g: i7 u8 z* Pconductor or conductive part intended to be energized in normal use, including a neutral. C) l1 r& n: j: O3 `
conductor but, by convention, not a PEN conductor
! W) H* b# J/ }NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.
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