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

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DSH 381 ! u7 `% b5 S# t4 E1 Q( C+ \8 [

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

2.9.3, Table 6, Condition 2 : p. Y2 i$ R; i& Q

60950(ed.2) & 60950(ed.3)

4 P$ m9 u8 m: K8 pStandard:
IEC60950, 2nd and 3rd
. L! t" ]" Y; T. |/ p6 ISub clause:
+ a' `. O$ u7 z, Q* M% d, o9 I+ x2.9.3, Table 6, Condition 2
" M6 T3 {: N* XSheet n. 381
% t$ m- F1 E) d$ y3 M! FPage 1 (1)
9 A6 F7 |6 n; E, a; \$ J, [Subject:
( W8 m4 `8 `3 d: q' VAffect of adhesive on Comparative
0 X( Z1 D( l; [. r" u0 V5 iTracking Index (CTI) of Insulating
9 N) y; p8 b3 s0 k; ^1 `Tape
Key words:
, b8 S& ]  T) g$ ]-comparative tracking index
-CTI
/ U# I  E$ s8 Z+ Z-insulating tape
2 s& ?4 t$ k$ ~; _9 m-adhesive
Decision confirmed
8 L( F- a' e! e5 R" o. t( V' g4 R# aat CTL 38th meeting
Question:
$ \  i5 Y% ^4 s7 O4 U0 _) J! `The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive
6 {4 N/ \7 @7 Mpresent can be different from that for the insulating tape without the adhesive present. The
' o# p! s4 I2 |; hcreepage distances to be applied depend upon the CTI of the insulating material.
7 b: n2 E  h/ YShould the presence of adhesive on the insulating tape be considered in determining the CTI
' `  D+ o# \# y7 Q" A9 Lwhen determining the creepage distances requirements to be applied?
7 K% D7 V: r" f" M0 N; KDecision:
Yes.


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