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EN 60598-1:* L# d" D" Z- e6 q7 B' w) x
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries( A/ E3 _2 h; G' a; Q
being left open, knockouts opened, and cover-fixing and similar screws tightened with a torque
8 A! t/ Q+ T7 |: @& sequal to two-thirds of that specified in Table 4.1.# o: A8 }4 { x& M8 H# a1 T
Three blows shall be applied to the point which is likely to be the weakest, paying special; e9 Q& ^6 t& H3 m
attention to insulating material enclosing live parts and to bushings of insulating material, if
3 |* \6 O3 e8 y$ A, X8 `% ?any. Additional samples may be necessary to find the weakest point; in case of doubt, the test
, u9 n P" x3 r( [5 K1 [2 _# `shall be repeated on a fresh sample to which three blows only are applied. |
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