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南非插头的插针是可以用空心插针的,不过要求做相关的测试。7 _2 F9 t6 p8 c' x8 s
标准在SANS60884中,具体内容如下:
1 }( b' r! Z3 p$ K14.2 Pins of portable accessories shall have adequate mechanical strength.: x/ q1 _+ M) |9 i# G
Compliance is checked by the test of clause 24 and, for pins which are not solid, by the% g4 Q5 e1 p- J% l
following test which is made after the test of clause 21.' x6 p8 c. I# u2 X' u9 f2 ]4 h4 j
A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a
' H7 \, Q. C$ S/ ]3 zdirection perpendicular to the axis of the pin, by means of a steel rod having a diameter of3 Q- ]) @2 E3 W
4,8 mm, the axis of which is also perpendicular to the axis of the pin.( v( g# c1 v4 H$ J y* Y
During the application of the force, the reduction of the dimension of the pin at the point
0 v E7 q: j3 p/ S; l: A% ywhere the force is applied shall not exceed 0,15 mm.
; i6 |5 q* ^8 u2 R3 U+ z' |7 BAfter removal of the rod, the dimensions of the pin shall not have changed by more than) e1 o1 P/ y! U) |$ M3 a& m2 f
0,06 mm in any direction. |
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