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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。/ V$ ?. P7 v A [5 ?
标准在SANS60884中,具体内容如下:. @9 ]0 d8 T+ r7 q
14.2 Pins of portable accessories shall have adequate mechanical strength.
! ~, n, Y, k* X& H% F7 LCompliance is checked by the test of clause 24 and, for pins which are not solid, by the/ V% G" @7 F' {/ [( v; V/ H! m
following test which is made after the test of clause 21.9 w) G8 O1 G" N/ @/ w d
A force of 100 N is exerted on the pin, which is supported as shown in figure 14, for 1 min in a
5 G5 a- @" V1 I. J4 i T' L/ W! Jdirection perpendicular to the axis of the pin, by means of a steel rod having a diameter of
/ O9 F4 ]5 i; i4,8 mm, the axis of which is also perpendicular to the axis of the pin.- b( z; Z7 f/ h" }# O+ D+ ?# c
During the application of the force, the reduction of the dimension of the pin at the point. F! W5 |4 U/ }8 I" R( ?
where the force is applied shall not exceed 0,15 mm.2 M7 O& ^) ]& B+ |
After removal of the rod, the dimensions of the pin shall not have changed by more than
5 C* X1 o1 O, P; L4 k' h0,06 mm in any direction. |
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