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EN 60598-1:, u3 v8 c- m, N; {) Q3 E5 a
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries
; t! o) R4 X1 @6 P( ^3 Ybeing left open, knockouts opened, and cover-fixing and similar screws tightened with a torque% ?( I8 R5 L+ j$ ]$ |
equal to two-thirds of that specified in Table 4.1.% l5 I. M* {4 ~/ Z
Three blows shall be applied to the point which is likely to be the weakest, paying special
0 V4 K. C/ b# u6 K( }- Y4 lattention to insulating material enclosing live parts and to bushings of insulating material, if
8 ^# w: v! _& ?, [& E3 Lany. Additional samples may be necessary to find the weakest point; in case of doubt, the test
' P& } ^5 A& S" W9 \shall be repeated on a fresh sample to which three blows only are applied. |
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