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要看灯串的具体情况而定。
" Z+ h7 A. L# N8 T- ]7 c60598-2-20 的20.10.1章节:
1 n1 z" @' O3 P; cThe nominal cross-sectional area of the conductors shall be not less than one of the following
1 E0 e! I1 N2 g% F# R+ svalues:2 T) I; x r$ V, x
a) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small
. r' }& t' [' I6 B3 d* ?- u- q6 H4 glampholders.4 m" `3 k) Z& @8 a# M, l. |
b) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,
6 U/ o# y$ X7 A% Q. F% D$ I8 Y5 Fand for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected. u: P$ w; e* k: I$ }- E
lamps.% c% C* r2 H' u* `5 P6 o& f
c) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel
, L! @/ p( C" }- G* iconnected lamps.
5 O# e/ Y e4 R; B' UIf the maximum rated wattage of class III lighting chains and parts of chains supplied by. r- j$ j. [) X3 m1 H* _' J: Q- y. j
SELV is less than 50 W then the conductors of the internal and external cables may have a+ c" Y6 a9 z2 d! u5 ]& c
cross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the
) p1 E% C- ^6 a8 c4 b/ Jmechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables, a% A# m3 Y7 p* t
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the
6 S& L7 k+ }5 f0 v. K: {; Ginsulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1.
) @* C8 m, J) P: i& M7 zFor sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less
4 s7 a: [/ p" u8 D4 `' S1 {0 Aprovided the current-carrying capacity and the mechanical properties are adequate. In addition,
5 p; r# M( }5 E" c# T* t2 mconductors without insulation are accepted provided adequate precautions have been taken to+ u& G' ?3 o' I4 w
ensure maintenance of the minimum creepage distances and clearances and compliance with' P/ s* O* N8 I; o/ F' M; p% Q
the requirements of 5.3.1 of IEC 60598-1.8 g9 [$ h/ v- l# \: o
Compliance is checked by inspection, measurement |
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