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要看灯串的具体情况而定。% q& p8 z& _8 t! ]
60598-2-20 的20.10.1章节:7 X5 i7 M6 p5 [: _' s$ R. z4 i
The nominal cross-sectional area of the conductors shall be not less than one of the following: o R( E+ X4 w# J
values:
/ R+ s* k5 r, D% I+ ca) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small
$ g8 ]+ t( v2 R1 ^9 N) |lampholders.2 m" d& W( L/ H& B, m1 S& L
b) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,
; B7 p) o# j; A8 ^2 vand for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected- ~2 f3 R7 c0 ~+ r
lamps.
5 }/ g* Z0 T. e! \3 L Ac) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel: J4 z2 n L- X
connected lamps.0 E: P8 j! Q. }2 T
If the maximum rated wattage of class III lighting chains and parts of chains supplied by
`9 Y% w; [$ H' y$ ESELV is less than 50 W then the conductors of the internal and external cables may have a
& J" B+ T8 c6 h1 X$ G* Q* B% Kcross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the& x/ _! t- C( ~" w9 ` W) R% s8 J
mechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables% ~9 w5 L) r& B& B$ u i
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the' ~; {4 N( G9 c+ D
insulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1.
2 ~9 m5 [6 z6 |. J$ v9 xFor sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less1 i6 S; Q2 O0 S1 w$ P0 X3 t/ X' L5 W
provided the current-carrying capacity and the mechanical properties are adequate. In addition,
: o5 R$ }7 Q5 Tconductors without insulation are accepted provided adequate precautions have been taken to$ B5 Y( c; Q7 Y% a6 z$ M
ensure maintenance of the minimum creepage distances and clearances and compliance with
6 |) K% Y; F- J; N0 l) f9 @the requirements of 5.3.1 of IEC 60598-1.) g2 g/ N, m, I5 a
Compliance is checked by inspection, measurement |
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