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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。: y8 P& U! {# O* ?
标准在SANS60884中,具体内容如下:$ C5 ?" O# O% Q" r; L
14.2 Pins of portable accessories shall have adequate mechanical strength.
4 T7 N3 v! |( }Compliance is checked by the test of clause 24 and, for pins which are not solid, by the
7 x4 p( x8 F3 V, B' Qfollowing test which is made after the test of clause 21.
/ ^$ B0 l( G# aA force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a5 Y3 u/ r5 N* F0 [$ v7 o1 ~: {
direction perpendicular to the axis of the pin, by means of a steel rod having a diameter of
* f; f! Z7 |: M/ Y* N4,8 mm, the axis of which is also perpendicular to the axis of the pin.
1 R- F3 R5 d/ O& M4 JDuring the application of the force, the reduction of the dimension of the pin at the point
. l: }; T; v( d% O; [4 J) G9 G9 wwhere the force is applied shall not exceed 0,15 mm./ P0 k3 t1 k" R
After removal of the rod, the dimensions of the pin shall not have changed by more than; O# K+ F, m% m- M3 N
0,06 mm in any direction. |
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