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EN 60598-1:
& q" \7 R% u- [9 N; d8 _) @" \: { A& `The sample is mounted or supported as in normal use on a rigid wooden board, cable entries% g* p2 L2 w0 k8 w- q! m- B; K1 \
being left open, knockouts opened, and cover-fixing and similar screws tightened with a torque
6 Y; h8 ?7 j& U p7 }2 O% r$ Mequal to two-thirds of that specified in Table 4.1.
- }4 X+ c) T. b- v1 U; | W& fThree blows shall be applied to the point which is likely to be the weakest, paying special
/ G) P& n. Y& H- {5 u7 a( uattention to insulating material enclosing live parts and to bushings of insulating material, if
9 l' N( Q; w- f3 u7 Q1 |any. Additional samples may be necessary to find the weakest point; in case of doubt, the test: \7 i# m: N+ c
shall be repeated on a fresh sample to which three blows only are applied. |
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