III类灯串的导线的规格型号和线径要求？

flym3201

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III类灯串的导线的规格型号要求，感觉标准说的不够清楚，例如一个户外用，有串联也有并联的III类灯串应该用什么规格的导线？是H03VVH2-F，还是H03RN-F，或者H05RN-F？
. ~* M# R& q. g# e1 ~8 k- y
另外关于导线的线径，可以小于0.4mm2,但不能小于0.2mm2,是这样吗？
请熟悉这类产品标准的朋友指教，谢谢！

zengquwen123

我司做的灯串，低压的不能小以0.2MM2,但如整套灯串功率大于40W，则电线为0.4MM2~0.5MM2.

flym3201

今天终于找到答案了，功率小于50W的III类灯串的导线绝缘只要满足5.3.1 of 60598-1的要求就可以了，下面的内容供大家参考：
20.10.1 Subclause 5.2.2 of section 5 of IEC 60598-1 does not apply. Internal and external
cables of lighting chains shall not be lighter than the following:
– for Class II ordinary lighting chains and ordinary sealed
chains
/ t  r1 h# U( \2 n9 M/ s60227 IEC 43
60227 IEC 52*
' i+ B3 r, B1 n+ r& a8 [– for Class II chains other than ordinary, using seriesconnected
lampholders
' g* x" |9 [/ Z60245 IEC 57*
, @+ ]! c# E3 m9 I, W1 j& v– for Class II chains other than ordinary, using parallelconnected
, B7 G) N- M0 u' D# |lampholders and the connection cable for sealed
' }! d' Q4 C6 U2 p% x& ]; B1 Hlighting chains other than ordinary
/ \6 g" c1 c! r1 e: z, q60245 IEC 57*
# `; t' n2 J4 T/ K5 Z– for Class II chains other than ordinary, where the length of
2 a: D* e, H% l' [cable between the point of supply and the nearest lampholder
exceeds 3 m – for that part of the cable
60245 IEC 66
/ @. e7 E- M2 _2 F– for Class III chains and parts of chains supplied by SELV and
with a maximum rated wattage exceeding 50 W
& `# I, S/ w1 U" r60227 IEC 42*
, b5 }) @( h# O6 \– for Class III chains and parts of chains supplied by SELV
8 C: G- N7 q6 U  \1 d1 iand with a maximum rated wattage not exceeding 50 W
Insulation according
) `3 P& x% f5 W7 Vto 5.3.1 of 60598-1
5 {) O7 \  Y* ]) i* The cable may consist of a single core cable provided with a two-layer insulation
( t' u" a3 K! T& n& Fcorresponding to the specified standard sheet.