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|  DSH 468( Q+ t: J% E, M9 J% M9 [
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| Creepage distances, clearance and distances through insulation& O, e$ P% `+ T, X
| 29.1
5 ?( ?5 K) F) e1 p; r2 S | 60335-1(ed.2)
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$ g( m2 B# i& o6 e: C0 h6 S. yStandard: IEC 60335-1:1976, 2nd Ed." e3 g* x+ B* E) X
Sub clause: 29.1
7 E1 w& Q: f$ H: I8 B" XSheet No. DSH-4689 p3 y1 \; H: U# p5 ~
Subject: Creepage distances, clearance and distances through insulation
: R# Q5 h1 Z$ K7 cKey words: - distances between mains and SELV circuits
# t/ _; |% q" B# N; `Decision taken at the 40th CTL meeting 20031 J" Q8 t: x! Z+ u" X' q) ^
Question:9 b3 K9 _) |& Y# j. D' X
What are the requirements for the insulation of the wiring between the mains circuit and the
, D1 t7 @' \+ rsafety extra-low voltage circuit?: z) v3 P: e9 g% z8 e- o
Rationale:# l" \/ `) M: g" G; Q' I. O. }2 o
See question./ @/ J v8 m5 C
Decision:9 F7 M/ [3 }* s% ]8 h0 Q
The insulation of the wiring in the safety extra-low voltage circuit shall comply with the
# h% @( H T( mrequirements for basic insulation, whereas the insulation of the wiring in the mains circuit
5 {# e1 U3 P: _9 Nshall comply with the requirements for supplementary insulation.% d: q( i2 i% x; J
The thickness of the insulation of the wiring in the mains circuit shall comply with the
3 S9 @' `1 Z3 o7 m& n2 qrelevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-1 q7 U; e2 y: W# D
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