DSH 499 Creepage distances, clearances and distances through insulation

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DSH 499 ! g# \  `3 }, o0 ?* U, S2 w

Creepage distances, clearances and distances through insulation

29.2.2   d* @) f, K0 x. ?- f3 F4 M

60335-1(ed.3) & r% ~  h  `# k; b6 Q

Standard: IEC 60335-1:1991, 3rd Ed.
& e! X, k) k8 X0 }& @Sub clause: 29.2.2
. \& z% i( E; B( C5 k& RSheet No. DSH-499
Subject: Creepage distances, clearances and distances though insulation
Key words: - thin sheet of insulating material
Decision taken at 40th CTL meeting.
Question:
6 l+ D1 k  x) V. J5 C: j8 l3 {" ZIs one thin sheet of insulating material on the inside of accessible metal acceptable as reinforced insulation?
Rationale:
See question.
. j; a/ D( t% K2 J) rDecision:
/ S! u+ c, U3 j' tIt is acceptable based on the standard.
( Z3 W) Y! H0 z2 `$ M6 P
+ U8 z' i, `5 r