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要看灯串的具体情况而定。
6 C$ `, M4 ^1 S60598-2-20 的20.10.1章节:
$ Y7 l7 y7 p) |- \$ wThe nominal cross-sectional area of the conductors shall be not less than one of the following
/ @/ I W9 ~, G4 G; t; w0 m3 [values:- t3 c9 l- f8 E- @; c1 y
a) 0,5 mm2 for ordinary lighting chains with E5 or E10 lampholders or other small
$ ]5 Z8 p1 L( C( clampholders.
; O3 {. r' C& I3 ?b) 0,75 mm2 for other lighting chains with E5 or E10 lampholders or other small lampholders,7 a/ t; }! ^9 G! N o) e) n
and for lighting chains with E14, E27, B15 or B22 lampholders and fitted with seriesconnected& g8 K+ I! ~, p8 Q! C8 z# z6 U% D" ~
lamps.
/ @* b# X5 P+ I+ I. Nc) 1,5 mm2 for lighting chains with E14, E27, B15 or B22 lampholders and fitted with parallel8 N2 q1 W' `$ [+ C) ^$ }6 V0 M m
connected lamps.
. Z2 T: H( ]" \% lIf the maximum rated wattage of class III lighting chains and parts of chains supplied by/ y9 ^3 k. }( j# b; b( h/ m/ r5 @
SELV is less than 50 W then the conductors of the internal and external cables may have a3 r4 V, _/ s M) ^( k
cross-sectional area of 0,4 mm2 or less provided that the current-carrying capacity and the0 U! L- |- E- k: x/ q
mechanical properties are adequate. If the maximum rated wattage exceeds 50 W, the cables4 i1 L& g U" | P6 _
shall comply with 60227 IEC 42 (see asterisk above). If the wattage is less than 50 W the
+ s" A: k3 Y3 x/ Cinsulation of the cables shall comply with the requirements of 5.3.1 of IEC 60598-1.7 Y$ [( m _' _
For sealed chains, the internal conductors may have a cross-sectional area of 0,4 mm2 or less
) V4 Q1 A) ^- v2 }8 B. I( w) V+ A& [provided the current-carrying capacity and the mechanical properties are adequate. In addition,
3 ?) {* y9 E2 ^& j7 @conductors without insulation are accepted provided adequate precautions have been taken to$ h& G1 |" B+ y* q( e
ensure maintenance of the minimum creepage distances and clearances and compliance with6 ?, s" M( q4 n- h! |5 b
the requirements of 5.3.1 of IEC 60598-1.& l: I( k. S% @0 R/ B8 U
Compliance is checked by inspection, measurement |
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