DSH 468 Creepage distances, clearance and distances through insulation

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DSH 468 / D7 ]9 [$ f& ]+ R

Creepage distances, clearance and distances through insulation 9 s: x& y4 }- t( n& j

29.1 ; P8 u3 k/ P& [9 U

60335-1(ed.2) 0 b  z8 L0 @/ c' u, j- K0 v* c  `7 }

Standard: IEC 60335-1:1976, 2nd Ed.
) N( \! |2 |1 s: }4 lSub clause: 29.1
5 m3 o; X! ?& g- i& ^' z6 M8 u9 r) ESheet No. DSH-468
3 z/ i& }# }" V7 wSubject: Creepage distances, clearance and distances through insulation
Key words: - distances between mains and SELV circuits
Decision taken at the 40th CTL meeting 2003
0 `; K, s$ C) W+ xQuestion:
What are the requirements for the insulation of the wiring between the mains circuit and the
safety extra-low voltage circuit?
Rationale:
See question.
Decision:
The insulation of the wiring in the safety extra-low voltage circuit shall comply with the
requirements for basic insulation, whereas the insulation of the wiring in the mains circuit
+ ~; ^# x: _" V) z$ Qshall comply with the requirements for supplementary insulation.
The thickness of the insulation of the wiring in the mains circuit shall comply with the
1 y+ Y8 {) [- z# Irelevant cable standard or, as an alternative, it shall comply with sub-clause 29.2 of IEC 335-
1.
  f( p# |7 l) Y7 \  W0 }7 j+ P4 l
' I2 p1 k; G/ M2 k8 {$ O1 _