DSH 618 Flammability rating of internal wiring

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DSH 618 ( A% L. \& w4 t. Q

Flammability rating of internal wiring

9.2.1 a) : f# o. c/ @+ k9 x% x

61010-1(ed.2) 3 S2 X1 {) b9 c8 }% [

Standard(s)- (year and edition):
& k* N  d7 I9 m' \, F6 @. U* Z1 Q2 CIEC 61010-1, ed. 2, 2001
Sub clause(s):
9.2.1 a)
& ~: o: r( y7 ?$ K7 e& NSheet n°: DSH 618
Subject:
1 Y- p# k( p/ W! EFlammability rating of internal wiring
Key words:
; L% P# j) P! H/ \( J6 d- {Wires, flammability,
8 e) E: O& O2 B" J7 S* Q& {Decision approved by the CTL Plenary meeting 2007
7 P4 I$ v% \9 u; RQuestion:
/ x0 w/ j+ m& b$ Q2 [Insulated wires shall be equivalent FV-1 or better. Wires are not generally tested and rated according to FV-1. It is not easy to establish equivalence between different test classifications/methods if you are not involved directly in such testing procedures.
Wires typically are rated VW-1 or FT-1. It is unclear if these flammability ratings are equivalent and thus acceptable (Same problem exists with IEC 60601-1 ed. 3)
Decision:
Wires rated e.g. VW-1 or FT-1 or according to IEC 60332-1-2 are deemed equivalent and can be accepted.
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