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要看灯串的具体情况而定。
G) X3 c+ T) f, R5 h60598-2-20 的20.10.1章节:) ~) E0 \+ M( i5 w$ ~
The nominal cross-sectional area of the conductors shall be not less than one of the following
* T# W7 D1 P4 N, s, b% \( j; rvalues:. _ S! e t1 E# Y, e' C$ C ?
a) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small
2 u8 O2 u# r: b5 K, l2 |lampholders.+ P' M$ n3 @8 N! @% G& B
b) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,
, b; k# [! ?4 O0 r1 t9 Uand for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected
+ g8 {. S; q% ]) klamps.
* b% H, m* ~. w( i; C0 N5 Q% l! |c) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel3 J' e2 d: P" x+ Q
connected lamps.
, N4 ?7 I4 E( E6 u* j0 a" QIf the maximum rated wattage of class III lighting chains and parts of chains supplied by9 Y- X" ^3 K$ a/ T
SELV is less than 50 W then the conductors of the internal and external cables may have a: L9 s: W' ?* ~$ G/ A
cross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the
+ e, b6 B& ]: \mechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables! G2 C& \ d: |. ]( ?
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the
0 W* A7 s0 i" S1 v0 finsulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1." w4 C* X; F3 J9 E/ S9 H
For sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less
, H Z8 x5 h* @; i" Z$ e- Dprovided the current-carrying capacity and the mechanical properties are adequate. In addition,
) i) ?3 y$ i( e( K- vconductors without insulation are accepted provided adequate precautions have been taken to& Y6 m! {3 v( U1 S9 B" m. M
ensure maintenance of the minimum creepage distances and clearances and compliance with' B5 n$ B; K* o% ], X; g2 f
the requirements of 5.3.1 of IEC 60598-1.2 ?' D. ~6 |5 X. t5 ?3 h: z3 j. d
Compliance is checked by inspection, measurement |
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