8 J1 X6 g* L& m! z7 i+ ], |# E/ bStandard: IEC 60335-1:1991, 3rd Ed. ) ]0 t7 K. O1 K7 A1 \Sub clause: 30.1$ i" A, }$ k" x' f
Sheet No. DSH-496( E$ c: E) g$ ^- ~1 V- Y1 y2 `
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Heat/fire/tracking . j! h/ g; e6 \Key words: - Ball-pressure test 3 n4 G+ A) D6 s! P+ P3 UDecision taken at 40th CTL meeting. 7 I+ L o) Z, _+ C1 d, K3 gQuestion: ; \9 j% A1 L- p! u9 d! v6 LWhat is the applicability of the ball-pressure test to parts of insulating material supporting live parts? - b* I2 l" C% VRationale:5 p% v7 R ^: A2 z( C! q
See question.1 H' [+ y# o$ x* ]4 |) n/ Y* Z
Decision: ; ?3 Z1 X" O" o+ y% d4 jFor parts of insulating material covering live parts which occasionally are in contact with live parts of different potential, the ball-pressure test is carried out at 75 deg C.* k+ d" G6 A% q. U$ c# H
For parts of insulating material like the insulation covering snap-on connectors, only the glow-wire test is carried out.+ J8 ]+ Q* _1 S* s; W! Y
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DSH 496