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要看灯串的具体情况而定。
0 _8 k4 z( b0 G60598-2-20 的20.10.1章节:
; S X! ?6 Y: ]3 KThe nominal cross-sectional area of the conductors shall be not less than one of the following' }1 n5 B% C' h, }
values:
! W& s5 {( G& t, ua) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small' _5 A6 q" P2 C! N
lampholders.# E) d( A0 U2 H( ~$ }/ J
b) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,5 d# a, B, j$ J8 m" g( k
and for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected T7 e& ?9 B* g. E3 y0 s7 b4 a
lamps.
* p" _' Q/ y: s9 S1 U' Dc) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel
' V- [0 E- _/ S: x' w- Kconnected lamps.0 ]8 f$ O0 F2 i) p8 l- n
If the maximum rated wattage of class III lighting chains and parts of chains supplied by
6 ^( L) F2 z5 cSELV is less than 50 W then the conductors of the internal and external cables may have a: D0 R6 Y& A/ F6 f
cross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the
2 f: o; K; A' z+ E! m7 i. Nmechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables" w' x g' @( j% `- x( P% Y
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the
8 O- A n! i1 z! v1 M, v3 `/ Winsulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1.5 H. }" r# T- Y \: D9 \
For sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less
5 A. j8 R. H; }+ o0 Q1 G$ Cprovided the current-carrying capacity and the mechanical properties are adequate. In addition,
) t' J2 C0 Z L! R$ Mconductors without insulation are accepted provided adequate precautions have been taken to4 T& ?, r+ s- f+ R% h
ensure maintenance of the minimum creepage distances and clearances and compliance with3 ~9 [+ W" ~5 D9 Q& O
the requirements of 5.3.1 of IEC 60598-1.+ [4 K1 \$ _# p* Y6 @- F
Compliance is checked by inspection, measurement |
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