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考虑有三点-------取线三个中线径最大的:
$ s+ U y: P, h* {1)如果是灯串:
' `7 ~/ d2 E2 K/ W5 z" [The nominal cross-sectional area of the conductors shall not be less than the following values:9 k! ^8 N) _+ C& U5 o! W0 }8 j
a) 0,5 mm2 for class II lighting chains with E5 or E10 lampholders or other small lampholders;5 b0 R1 G/ }0 z+ o+ f
b) 0,75 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with
# j; h7 i, {0 |% pseries connected lamps;7 W# n2 i& u; Q
c) 1,5 mm2 for class II lighting chains with E14, E27, B15 or B22 lampholders and fitted with
, K& c7 f. j' S! b8 j% q0 Kparallel connected lamps;. p6 X$ T& s4 T% W' c
d) 0,5 mm2 for class III chains and parts of chains supplied by SELV and with a maximum
9 O- [( H$ O8 t0 ~' E$ q7 V4 krated wattage exceeding 50 W;9 I7 S+ l3 c/ l# L6 O
e) 0,4 mm2 for class III chains and parts of chains supplied by SELV and with a maximum
+ J" N- T& q0 N# Y4 Orated wattage not exceeding 50 W;
, E' c; o& u7 C+ O9 L) v2 wf) 1 mm2 for the cable between the plug and a sealed chain without joints;
, `0 a3 Y% g3 v5 b. D9 zg) 1,5 mm2 for the cable between the plug and a sealed chain with joints.
. I4 }5 A# B" {- d( Z: q3 v+ `- |: F
2)针对吊灯:: c+ s7 W" `; f' |
– 0,75 mm2 for ordinary luminaires;
# I8 p; ^' B$ o! e– 1,0 mm2 for other luminaires.' i! A( q: a! J3 w& D. K
% l3 z# W9 w8 J# g {' {" ~/ v- G3)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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