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考虑有三点-------取线三个中线径最大的:. `7 M$ L7 w: E6 K
1)如果是灯串:
- q$ I1 @+ |% G8 t& [The nominal cross-sectional area of the conductors shall not be less than the following values:
2 z4 Q$ f; }) ?; W! N2 J Za) 0,5 mm2 for class II lighting chains with E5 or E10 lampholders or other small lampholders;
3 P: ^* v" z( z6 n/ z. B/ fb) 0,75 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with
; F+ t" Y8 ]; N3 d$ u$ w; X* H1 mseries connected lamps;" }! J W. H' P. M$ b( z
c) 1,5 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with
6 C4 R2 t A: v X9 Zparallel connected lamps;
1 o% O& X- H! u9 hd) 0,5 mm2 for class III chains and parts of chains supplied by SELV and with a maximum- c( E1 o8 s3 |! C
rated wattage exceeding 50 W;
0 @; n! c: v& A Pe) 0,4 mm2 for class III chains and parts of chains supplied by SELV and with a maximum
6 Y. [0 Q1 t4 w1 \ L2 H- M$ [rated wattage not exceeding 50 W; n# w' A, R3 R- ^. k9 s
f) 1 mm2 for the cable between the plug and a sealed chain without joints;
# r; R7 U2 o# [0 J" [4 R( ]7 Ng) 1,5 mm2 for the cable between the plug and a sealed chain with joints.
& ?+ Z: s, N L, g, F! X0 j8 @) z4 ?
2)针对吊灯:
0 X" k3 H2 U8 l# n& @– 0,75 mm2 for ordinary luminaires;1 j* z. V! }$ }! h* M$ X# ]
– 1,0 mm2 for other luminaires.
8 i- Q( m) W+ G- l' u
0 u4 \ u9 }! L8 O+ H3)考虑电流,可以百度一下 (考虑线径和电流之间的对应关系) |
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