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

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DSH 381 ( v' z) u4 ]! @+ R( |8 R

Affect of adhesive on Comparative Tracking Index (CTI) of Insulating Tape * Q6 K- r, a% s/ f" l

2.9.3, Table 6, Condition 2 ! n6 X8 M4 e9 S: }. q' U0 o& Z

60950(ed.2) & 60950(ed.3) : a' k& u1 U# D' z  V3 Z2 P! E

2 b* B8 n4 J3 Y0 r# B/ }3 Z" Y- pStandard:
IEC60950, 2nd and 3rd
Sub clause:
2.9.3, Table 6, Condition 2
& H( a3 W: f4 ^. P4 ^% |9 CSheet n. 381
" v$ q/ a0 ], X8 W; Z4 CPage 1 (1)
Subject:
Affect of adhesive on Comparative
Tracking Index (CTI) of Insulating
Tape
Key words:
! N- Y+ [% J6 `* y) }( S-comparative tracking index
( b3 s! K0 h" l7 O% h% [-CTI
-insulating tape
-adhesive
9 }& Q0 d6 G# Z5 K9 MDecision confirmed
at CTL 38th meeting
. S! ]. P& m) u" YQuestion:
The measured Comparative Tracking Index (CTI) for an insulating tape with adhesive
1 X+ _  d) o1 o$ \: mpresent can be different from that for the insulating tape without the adhesive present. The
creepage distances to be applied depend upon the CTI of the insulating material.
5 @& i' a) U8 p, h0 Q$ VShould the presence of adhesive on the insulating tape be considered in determining the CTI
8 @. a2 b( _8 w! h2 H& s- Twhen determining the creepage distances requirements to be applied?
Decision:
Yes.
* n9 P: S  h6 Z7 e+ _

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