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|  DSH 255( l. g, t. e2 `. [
2 j: s6 ~3 I3 q) V | Resistance to fire for external parts (enclosures)$ n1 l9 {# z/ c- J. @
| 30.2
2 U/ f/ b( c/ P4 S( D4 d S | 60335-1(ed.3)7 _# A" o4 N$ v3 c2 f J* I f; x
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: W1 Y, h, z8 c4 Q
Standard: IEC 335-1, Ed. 3 Sub clause: 30.2 Sheet n. 2551 N- M; l3 ~) F! m5 W- A
Subject: Resistance to fire for external parts (enclosures)
1 f& ]/ {; O+ ?1 j U; W) s: ^Key words:
( e: a" b7 P" E, d" Q- resistance to fire8 O; O# I; v* I) Z- S. g8 Z
- enclosures, Y W( C! a4 ]$ z0 U# s
Decision 18 of 34th meeting/1997, M7 J* K0 K' R' K
Question:! u' }& K7 w# h* X6 R( a4 ]5 z
Shall external parts of non-metallic material (enclosures) be subjected to the tests of5 d& ?+ I/ t4 d6 f; Y* l! ~; C
subclause 30.2, when parts of insulating material supporting connections in position,% W' d5 t) v: F6 j2 M) W
as well as parts of insulating material supporting live parts, other than connections,
% I |6 ?9 z' x- A, Ein position, fulfil the tests of subclause 30.2 ?* U; G$ L: u/ g) r w" n
Decision:% m9 ?6 G4 s) H0 f
Yes, the enclosure has to be tested with glow wire.- H1 l+ r0 n: d
6 i4 o! n- d1 [; d. B/ @$ \2 g" q e
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