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EN 60598-1:; |/ d6 J$ w( E* E; s
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries, a c% ~# Z+ f% |: X; G6 b4 t
being left open, knockouts opened, and cover-fixing and similar screws tightened with a torque% ]& o% K/ F8 T3 p. c3 S7 }
equal to two-thirds of that specified in Table 4.1.
% ?$ a$ p6 I- U* z0 T; x xThree blows shall be applied to the point which is likely to be the weakest, paying special
+ C/ ~$ }+ [2 x: i. D4 Zattention to insulating material enclosing live parts and to bushings of insulating material, if7 `% Z! ~1 |, H/ N6 y" i+ B7 H
any. Additional samples may be necessary to find the weakest point; in case of doubt, the test
- P ~* r+ j5 Yshall be repeated on a fresh sample to which three blows only are applied. |
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