|
EN 60598-1:6 `$ ~1 v0 j3 y- o( H3 P
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries
3 I L' a1 @7 {- ebeing left open, knockouts opened, and cover-fixing and similar screws tightened with a torque$ l: n) t+ f$ ^9 ^- c
equal to two-thirds of that specified in Table 4.1." r$ H9 f+ v6 _+ r
Three blows shall be applied to the point which is likely to be the weakest, paying special
1 C- y0 \" ^1 u! Eattention to insulating material enclosing live parts and to bushings of insulating material, if
! i" \1 a) w6 |) K8 e0 aany. Additional samples may be necessary to find the weakest point; in case of doubt, the test* c9 }4 s. B7 g4 G. \% k
shall be repeated on a fresh sample to which three blows only are applied. |
|