|
|
3.1 Indication of origin and cable identification
; N) t) |# e. a0 w+ S7 \# ZCables shall be provided with an indication of the manufacturer, which shall be either an, i; x: y$ F N+ Z9 U+ Y
identification thread or a repetitive marking of the manufacturer's name or trade-mark.) l0 }6 p+ f# V# ^6 a, r; @
Cables for use at a conductor temperature exceeding 70 °C shall also be marked either with
' @, p) c: Z0 |, o2 }& Wthe code designation or with the maximum conductor temperature.- u/ ]# f3 }& D' p# _: C3 g
Marking may be by printing or by reproduction in relief on or in the insulation or sheath.( Y! F0 O$ V" [ ^
3.1.1 Continuity of marks
) m, O9 @1 R+ s$ h) v# c( W+ eEach specified mark shall be regarded as continuous if the distance between the end of the
6 l7 ^! o& O5 O0 L# f; @mark and the beginning of the next identical mark does not exceed
% L& y4 a3 w6 [; P7 p/ U– 550 mm if the marking is on the outer sheath of the cable;! [" k; O' a: W' [
– 275 mm if the marking is
. a' X1 }; l, m/ Da) on the insulation of an unsheathed cable;1 x7 n: L; f/ @6 {, r
b) on the insulation of a sheathed cable;1 Y$ r h( W) k, Y! ]
c) on a tape within a sheathed cable.4 P- `- K* x$ t2 z! u2 m
3.2 Durability! X2 E( ~' _6 p, z* r4 e# ~
Printed markings shall be durable. Compliance with this requirement shall be checked by the
4 q8 ]. S1 y# p# y, ~+ \4 dtest given in 1.8 of IEC 60227-2.
/ V- K& f0 ]8 k9 ^5 W. \9 D3.3 Legibility
5 G- m4 D& G1 m+ G% vAll markings shall be legible.
: B* b' O4 c+ |The colours of the identification threads shall be easy to recognize or easily made
" z; I% ?$ }( |$ t, @$ lrecognizable, if necessary, by cleaning with petrol or other suitable solvent. |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2007-10-29 10:17
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
楼主