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16.21.1 Strain relief for flexible cords
l2 U# G+ c" A3 N9 x, b: }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# w1 z7 E! }8 Q6 g* ^4 r8 X6 V& d
perpendicular to the plane of the entrance into the luminaire.+ z; z) N: y" p
16.21.1.2 Test results shall be acceptable if there is no:( n$ i# P+ S+ n
(a) movement of the flexible cord of more than 1.6 mm (0.063 in); and! p/ V, l3 R, @' w6 g, m
(b) breaking of the conductor or loosening of the wiring connections inside the enclosure of the# f: E& B9 c0 }/ `+ o
luminaire.
# M; T; I6 a8 D2 r; K2 I# s3 z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. |
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