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16.21.1 Strain relief for flexible cords
" Y( s; t1 ]; v" q* L16.21.1.1 A pull force of 156 N (35 lbf) shall be applied for 1 min to the flexible cord in a direction* I7 r/ \% A$ D# n# {% j
perpendicular to the plane of the entrance into the luminaire.( P8 M, z5 u K1 m/ h8 S
16.21.1.2 Test results shall be acceptable if there is no:
3 b' U7 F6 g& o/ `" v(a) movement of the flexible cord of more than 1.6 mm (0.063 in); and- A9 K. e7 v' R- t5 O9 x9 n
(b) breaking of the conductor or loosening of the wiring connections inside the enclosure of the
, |0 [$ U0 T b3 ` c, ~) Iluminaire.
$ E& Y$ ^, \ ]1 r; r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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