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EN 60598-1:
, G# n( G0 k) m( }The sample is mounted or supported as in normal use on a rigid wooden board, cable entries- R( r* F" u9 T
being left open, knockouts opened, and cover-fixing and similar screws tightened with a torque
+ [. Y* ]6 w. d9 V/ ^3 y+ v/ gequal to two-thirds of that specified in Table 4.1.
) \2 v4 T3 z g0 E) l" H% X+ `: QThree blows shall be applied to the point which is likely to be the weakest, paying special( A Q( b7 h2 |0 {" E' @
attention to insulating material enclosing live parts and to bushings of insulating material, if
; ^ a: R M9 Q5 u) D' many. Additional samples may be necessary to find the weakest point; in case of doubt, the test
/ V& Q H9 N" \$ n8 K4 oshall be repeated on a fresh sample to which three blows only are applied. |
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