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EN 60598-1:7 g# p& Y2 E$ O( `
The sample is mounted or supported as in normal use on a rigid wooden board, cable entries S6 ?/ T- H, a$ ^
being left open, knockouts opened, and cover-fixing and similar screws tightened with a torque# I$ J G6 E. I3 S6 ]
equal to two-thirds of that specified in Table 4.1.3 Y! x. X* n: w; S& y! V. _! E" x0 Z
Three blows shall be applied to the point which is likely to be the weakest, paying special
: |- P7 y2 W) E* P+ j5 Rattention to insulating material enclosing live parts and to bushings of insulating material, if
+ h: Q1 }3 F: Lany. Additional samples may be necessary to find the weakest point; in case of doubt, the test5 H" z% y @: ~- v9 `' ?: G9 _/ y, W
shall be repeated on a fresh sample to which three blows only are applied. |
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