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考虑有三点-------取线三个中线径最大的:
! I d) m$ R, r, x1)如果是灯串:; W! A j/ u4 X! G
The nominal cross-sectional area of the conductors shall not be less than the following values:9 A2 Z6 q1 A0 V9 x9 [1 B1 b- k. g) Y: V
a) 0,5 mm2 for class II lighting chains with E5 or E10 lampholders or other small lampholders;
" R3 ]4 M) d7 z2 J' ^/ jb) 0,75 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with1 A! N* @$ b3 X7 ]6 R8 t$ P& K
series connected lamps;
) d' V" J( N. x& yc) 1,5 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with; H) j# X) a9 s6 m& V9 |
parallel connected lamps;
( v: I n' ~4 ]2 m" e) ]d) 0,5 mm2 for class III chains and parts of chains supplied by SELV and with a maximum
* b) X/ ]8 p- o3 r1 E) s0 yrated wattage exceeding 50 W;" n) W* ~1 p* r6 U8 D/ a8 t6 A
e) 0,4 mm2 for class III chains and parts of chains supplied by SELV and with a maximum. F% W! s0 X" `1 e( K) i8 x
rated wattage not exceeding 50 W;
( z* W4 L$ H0 w! B$ c: kf) 1 mm2 for the cable between the plug and a sealed chain without joints;! J! h5 T+ |; Q; d! C/ c6 T
g) 1,5 mm2 for the cable between the plug and a sealed chain with joints.
]1 O7 g, o7 O: E; C
+ K* C2 `( o7 T/ |! L% A1 P/ w6 k( h2)针对吊灯:
, s+ c9 c' A! w/ { y4 \' t) i2 c( y- O– 0,75 mm2 for ordinary luminaires;/ ~0 S: ]7 K) ]0 x+ j, _4 ?" f/ L! C& {
– 1,0 mm2 for other luminaires.
8 i7 Z/ w. K' k' q. R: |; R' X: h0 Y5 q- s+ |
3)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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