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要看灯串的具体情况而定。
9 a! j- p: q2 M5 ]! p5 H( H" G4 S60598-2-20 的20.10.1章节:
& b! n" U5 s1 B4 k4 e0 q% t* JThe nominal cross-sectional area of the conductors shall be not less than one of the following4 h/ Y& ]7 y$ W0 w# ]
values:; d0 ]% |* L( j' e# E5 s
a) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small
. C- f, w& H5 [+ j# hlampholders.
5 z6 W$ x- V" i) vb) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,
2 J+ F) |; s G2 D2 @and for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected9 o& ]$ D# m. [7 F8 T
lamps.& b* l8 K* K1 ^5 Y" O
c) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel2 ?, L8 H. k: w8 T% t
connected lamps./ F' }3 i5 s2 w2 }0 C/ C
If the maximum rated wattage of class III lighting chains and parts of chains supplied by4 }, V8 ~/ i8 D6 l, G& l* T- z% n
SELV is less than 50 W then the conductors of the internal and external cables may have a* A+ l: o) h, @7 [2 x9 Q% r
cross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the) ~: y) W# F6 X7 {; K% \7 g
mechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables6 Q2 F% S y) B0 D! ~
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the
( s p, j( V0 y% q: pinsulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1.
+ ^$ M% o$ g h3 ?$ ]& \: vFor sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less! v6 h5 { c9 {# V! e4 w- `
provided the current-carrying capacity and the mechanical properties are adequate. In addition,$ f( d7 o- h( t9 h5 S" x8 |1 G
conductors without insulation are accepted provided adequate precautions have been taken to" L# i; o- J7 Q! E
ensure maintenance of the minimum creepage distances and clearances and compliance with
H; Z$ p, n0 G& u1 {$ I1 othe requirements of 5.3.1 of IEC 60598-1.3 t* o. D4 |9 t, t
Compliance is checked by inspection, measurement |
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