DSH 618 Flammability rating of internal wiring

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DSH 618 # W3 N' E1 g/ L/ R. W$ s2 S9 j

Flammability rating of internal wiring

9.2.1 a) ( ], K8 E0 J) k0 |9 l: N# E

61010-1(ed.2)

Standard(s)- (year and edition):
IEC 61010-1, ed. 2, 2001
" |: ^0 d  C7 U# T$ n. T* b) ^+ w" j# ]+ YSub clause(s):
0 D  A" S# h  V; n/ c9.2.1 a)
Sheet n°: DSH 618
# z" S3 {7 e7 rSubject:
Flammability rating of internal wiring
: S$ i1 _* r. O. p! a* dKey words:
: D1 y  e) k6 D+ a, I) MWires, flammability,
Decision approved by the CTL Plenary meeting 2007
Question:
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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