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EN 60598-1:8 h3 H$ E7 b8 \/ u) K% i) x
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries
$ {/ o# j( k" C. P" t1 K2 l, {( J* r, ebeing left open, knockouts opened, and cover-fixing and similar screws tightened with a torque3 D& y. _ {3 L \" K8 S( ]' s+ y
equal to two-thirds of that specified in Table 4.1.( o# \7 U r" Y0 W- d. _
Three blows shall be applied to the point which is likely to be the weakest, paying special0 a9 E) S6 A" L1 @9 @5 N
attention to insulating material enclosing live parts and to bushings of insulating material, if' L- J: F0 {) t* r! `; {# ^! h' L5 N
any. Additional samples may be necessary to find the weakest point; in case of doubt, the test0 m+ L( _- E, e' O
shall be repeated on a fresh sample to which three blows only are applied. |
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