DSH 381 Affect of adhesive on Comparative Tracking Index (CTI) of Insulating

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DSH 381 2 V) R9 H* h. ? $ r* g2 q3 q' V) m. `, e

Affect of adhesive on Comparative Tracking Index (CTI) of Insulating Tape

2.9.3, Table 6, Condition 2

60950(ed.2) & 60950(ed.3) 5 J+ s' [3 x* v+ ^

Standard:
% I' ~6 s- O$ C: P8 I% {IEC60950, 2nd and 3rd
0 O' f; g/ s# S6 [Sub clause:
2.9.3, Table 6, Condition 2
Sheet n. 381
0 p6 k! x; E6 H$ rPage 1 (1)
Subject:
Affect of adhesive on Comparative
Tracking Index (CTI) of Insulating
6 ]3 G1 e- v6 A9 {Tape
Key words:
3 U4 P9 j: h  U; z-comparative tracking index
% m: v0 L4 Q9 E9 {6 B0 [5 J-CTI
-insulating tape
-adhesive
Decision confirmed
4 c' A% A) t$ G6 N( gat CTL 38th meeting
' S+ k) U8 l3 X7 _8 N$ iQuestion:
The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive
* x( @9 R* j* g# z$ L/ Fpresent can be different from that for the insulating tape without the adhesive present. The
9 i) j2 Q, R6 W. i9 t6 lcreepage distances to be applied depend upon the CTI of the insulating material.
% q- w3 y7 T3 c' pShould the presence of adhesive on the insulating tape be considered in determining the CTI
, s0 I3 M: }9 S! L7 w) A1 fwhen determining the creepage distances requirements to be applied?
/ ]3 g# U# X2 e& r  L: kDecision:
Yes.
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3 Y7 A4 u5 c& V$ }
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