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songbolove 发表于 2012-2-13 10:31 
" G3 ]. M8 G5 y+ J基本绝缘的供电电线是可以接触安装表面的。 ! K6 \: M, t1 r2 R0 p
5.2.2 Supply cords used as a means of connection to the supply, when supplied by the
4 h$ @3 L! {' H* O5 B& X/ r1 c: Hluminaire manufacturer, shall be at least equal in their mechanical and electrical properties to
! Y. y1 r" E/ C2 L1 x" ythose specified in IEC 60227 and IEC 60245, as indicated in Table 5.1, and shall be capable of
s+ p5 r6 j$ z. U: Rwithstanding, without deterioration, the highest temperature to which they may be exposed- i+ h2 s. |" e. G4 c0 B
under normal conditions of use.6 V9 j! C I1 j W' z
Materials other than polyvinyl chloride and rubber are suitable if the above requirements are
9 e. _& D( Z. Q3 j; bmet, but in such cases, the particular specifications of part 2 of the above publications do not
( S) W/ }0 \# D: A2 G! R9 X' t% G/ r3 _apply.+ P6 y$ f9 [+ c; [: S
Table 5.1 – Supply cords. }% j. d" N/ \, {+ i/ _* x% C
Luminaire Rubber PVC
$ s3 T) @- V: z& t6 lOrdinary class I luminaires 60245 IEC 89 60227 IEC 527 k* y+ V% a. E) |
Ordinary class II luminaires 60245 IEC 53 60227 IEC 52
. \% J; L' F7 P: yLuminaires which are other than ordinary 60245 IEC 57 –
+ U, g" r* j& q' E2 L( [Portable rough service luminaires 60245 IEC 66 –
. S. O: _5 p0 d- `% o$ [NOTE For supply voltages greater than 250 V, higher voltage grade cables and cords than those given in the8 J* D$ g+ c; b8 p! ?# } G4 |
above table may be necessary.9 \6 H: y7 j7 t; G [$ T) x; f
To provide adequate mechanical strength, the nominal cross-sectional area of the conductors
: z' Y& J2 j8 F8 h1 cshall be not less than:
& g' D6 ~3 P: W; X5 {– 0,75 mm2 for ordinary luminaires;. k, G2 M- l/ a# a
– 1,0 mm2 for other luminaires.: o- V" Q. b% E6 I1 X
If the luminaire is provided with a 10/16 A socket-outlet, the flexible conductor nominal crosssection
- x# ?" i$ q! E( marea shall be at least 1,5 mm2. |
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