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？

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？
3 w1 G8 U3 {, \% n2 N" F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：
, ~1 q2 }  [) `0 C# b20.10.1 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:
) u9 P( C% I; F6 r3 Q; t# |– for Class II ordinary lighting chains and ordinary sealed
  s' d4 B2 K% ?# Nchains
/ y1 B8 r: @% G- {, e8 E60227 IEC 43
60227 IEC 52*
– for Class II chains other than ordinary, using seriesconnected
' I5 K3 ]3 n" O! H! A9 dlampholders
60245 IEC 57*
– for Class II chains other than ordinary, using parallelconnected
6 p$ d1 M* `7 Y, V  {8 Xlampholders and the connection cable for sealed
lighting chains other than ordinary
+ s* U$ f7 d: A1 o% o2 C0 O1 k60245 IEC 57*
5 b9 b6 I$ l$ ^& g) H– for Class II chains other than ordinary, where the length of
+ e% P9 c# f/ @) x# Z/ ncable between the point of supply and the nearest lampholder
exceeds 3 m – for that part of the cable
9 E) Q( o3 [1 \! U- B/ T60245 IEC 66
4 ?. u* b- c3 n: p– for Class III chains and parts of chains supplied by SELV and
with a maximum rated wattage exceeding 50 W
# S: Y8 [  \6 u+ x$ U! t60227 IEC 42*
# `; f& Y+ h/ w( Y1 r* o5 C( ]" |– for Class III chains and parts of chains supplied by SELV
' `, o# ]  ]& R8 U/ w7 \and with a maximum rated wattage not exceeding 50 W
Insulation according
to 5.3.1 of 60598-1
* The cable may consist of a single core cable provided with a two-layer insulation
5 b1 R) E  y% L. e2 K9 J. g7 fcorresponding to the specified standard sheet.