|
16.21.1 Strain relief for flexible cords
$ }6 e- q8 r4 t8 U0 x5 ?# {7 `16.21.1.1 A pull force of 156 N (35 lbf) shall be applied for 1 min to the flexible cord in a direction
; l( h2 e7 N: w) R& ]6 Xperpendicular to the plane of the entrance into the luminaire.
# f% @& H. l! j( k$ K- |; U* @16.21.1.2 Test results shall be acceptable if there is no:
2 j, l( g, F/ z- e. f% U(a) movement of the flexible cord of more than 1.6 mm (0.063 in); and
7 i( R7 l) @, o7 w0 e0 z(b) breaking of the conductor or loosening of the wiring connections inside the enclosure of the7 _0 x. V- V3 F0 H3 q3 H, o5 |$ U
luminaire.4 x) G) V2 w2 k( r/ [. F
以上的测试是怎样做的啊,如果有那个高手能画一个简单的示意图看看,那就真的不胜感激啦. |
|