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考虑有三点-------取线三个中线径最大的:
+ U2 p* B# \9 O; ?1 `1)如果是灯串:5 g, t# M' w9 L; G, P
The nominal cross-sectional area of the conductors shall not be less than the following values:
* e4 `! \+ A! B$ A5 Da) 0,5 mm2 for class II lighting chains with E5 or E10 lampholders or other small lampholders;' ~: h# P6 S `$ y
b) 0,75 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with, W6 ~+ }! a6 y0 f" W; ^, u8 A
series connected lamps;
' s6 j* m: o& p, E+ I/ h- d dc) 1,5 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with
: O' K7 d3 o/ D) O$ y" K$ Dparallel connected lamps;
7 _$ j, p5 Q- ld) 0,5 mm2 for class III chains and parts of chains supplied by SELV and with a maximum+ a' u& L- L' r: Q1 F4 ^
rated wattage exceeding 50 W;
5 g$ H+ U! x/ R) O' _5 O+ Ne) 0,4 mm2 for class III chains and parts of chains supplied by SELV and with a maximum
# I- |9 D X$ Hrated wattage not exceeding 50 W;
4 q3 d1 C' s! B- d% D7 Sf) 1 mm2 for the cable between the plug and a sealed chain without joints;
% H5 x* J9 _3 x3 F Jg) 1,5 mm2 for the cable between the plug and a sealed chain with joints.# k9 Q8 w' }9 x: `
' B; w% w6 ]; j- X- ?
2)针对吊灯:1 x( t+ f4 I1 Y" h0 ]/ _* I* ?
– 0,75 mm2 for ordinary luminaires;) w/ H3 Z" f( n
– 1,0 mm2 for other luminaires.
. a2 J+ \$ {, l5 Q2 B/ o' Q: P) O
0 ?1 f( a% V; }1 y% A3 L3)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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