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jsspace 发表于 2014-6-27 08:38 
7 B7 }0 g% Z2 Z, v' X" m以前小家电我记得SELV是不用做球压的; Y" z T7 ?. y( W
难道小家电就不用考虑过热?
. c3 s; u2 A( e: w8 C, B4 I6 S& z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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s$ k0 v+ f+ s( a- E; H$ M' Y13.2 Resistance to heat (EN 60598:2008)
5 e' K7 T4 D4 Z$ @External parts of insulating material providing protection against electric shock, and parts of2 X$ q& m9 q$ ?
insulating material retaining current-carrying parts or SELV parts in position shall be sufficiently; D. R6 {; w2 L
resistant to heat.
7 L p. i& q- _! A- G' }The ball pressure test does not have to be applied to plastic parts of a luminaire which provide3 T1 e8 [. A6 J+ T! s5 [7 q e
supplementary insulation.# m8 z+ i: }$ L" W
$ Z. F" y( o2 O4 E8 M8 F1.2.15
. i3 F. i9 O& r5 l' q# n% \live part
/ ~8 K* O( U7 Y; m9 o( e- sconductive part which may cause an electric shock in normal use. The neutral conductor is,however, regarded as a live part.4 k# ^- b8 M; t$ S0 U$ T: W: Z5 i0 r
NOTE The test to determine whether or not a conductive part is a live part which may cause an electric shock is
; \/ f9 X }( ~2 M; m+ z! u# Bgiven in Annex A.
[& a" M) G+ Z5 w$ u0 }====================================================================
: W. b0 E/ L$ ]. z' x- U. V30 Resistance to heat and fire (EN 60335-1:2012)
: W9 `* f3 z4 ^3 o% F: ~4 j30.1 External parts of non-metallic material, parts of insulating material supporting live
0 N" D9 d( o4 Q P' D7 Q, r) |parts including connections, and parts of thermoplastic material providing supplementary
. O9 U9 W8 v8 a6 x/ ]7 Finsulation or reinforced insulation, shall be sufficiently resistant to heat if their deterioration+ t% F. d6 \. s* @5 X
could cause the appliance to fail to comply with this standard.
6 K( `/ A$ [9 i6 iThis requirement does not apply to the insulation or sheath of flexible cords or internal wiring. C. r5 f, L1 E- G, L4 ?
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3.6.4
: m( p5 G3 F- a- a* I, \/ p" Mlive part ]& G4 m* R, s( b
conductor or conductive part intended to be energized in normal use, including a neutral
5 z K4 i/ z L0 P. ?' B( C4 m3 yconductor but, by convention, not a PEN conductor( H; _. A3 \% `9 l5 g0 y, ]' `. I/ ^7 n
NOTE 1 Parts, accessible or not, complying with 8.1.4 are not considered to be live parts.( Z) b) Y; l6 J0 \1 g
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