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|  DSH 108
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. X) F8 _7 A% ]5 i3 ?4 |% ~ | Screws and connections
, ]3 E0 |) |; D3 N( W | 28.1
5 s+ R, S( O( [# e | 60335-1(ed.3)- P& n; ? O# I7 J4 H/ S
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Standard: ], y5 @. \* \1 w/ H$ _ H. D
IEC 60335-1: 3rd ed. 1991
' }; J* t( Z- @; W% T0 x: {Sub clause: 28.1 Sheet n°: 108
3 s F( M; p% e+ f" `# h1 [/ ESubject: Screws and connections Key words:
# W2 }! b1 L, a+ U+ H( G. {- screws in engagement in insulating material3 \6 `& t. d! T/ K
Decision of: 23rd CTL meeting to be reaffirmed at 39th meeting.
0 Q0 i! q5 j8 tQuestion:
- \ _$ G8 F+ b' T6 J2 v: L/ n- CShall the torque test on screws, where the screws thread into insulating material, be carried( ^2 R$ y1 s1 K" n8 F) Y
out 10 times consecutively or with a pause between each time?4 T- c+ c% [# t: w
Decision:
1 T2 f% e0 ~& K S- W BThe test should be performed with a pause between each time for adequate cooling time6 _. X" O2 w( @+ ]4 t% w0 K1 A
between each torque test
5 X- v, ^* @7 R) J( l) A) {7 b! x5 B% v4 r& B, _
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