DSH 108 Screws and connections

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DSH 108 * u/ N1 D7 c) D8 {- P# P 7 c' C7 F) t4 `' W& \

Screws and connections * z; ]0 R( q- S$ O' C8 Y, M

28.1 + @  a+ ]( z& e: i

60335-1(ed.3) 3 J; Z' r  x2 X$ N! ]+ h8 ~6 ]

Standard:
IEC 60335-1: 3rd ed. 1991
Sub clause: 28.1 Sheet n°: 108
Subject: Screws and connections Key words:
, w3 o. J6 v9 w% ^- screws in engagement in insulating material
Decision of: 23rd CTL meeting to be reaffirmed at 39th meeting.
Question:
; i* e3 C* T1 J- Q+ h0 w* e9 MShall the torque test on screws, where the screws thread into insulating material, be carried
out 10 times consecutively or with a pause between each time?
- @2 d+ V' @, M0 P5 S0 gDecision:
8 B5 \9 |/ r  [# qThe test should be performed with a pause between each time for adequate cooling time
between each torque test
! l, J2 \* c- M7 Y  S4 {

6 [3 K/ K" ~% Q* E  [4 u" T( X