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16.21.1 Strain relief for flexible cords
, N4 V0 B p% e0 ]16.21.1.1 A pull force of 156 N (35 lbf) shall be applied for 1 min to the flexible cord in a direction9 O3 c+ F ^0 X, d
perpendicular to the plane of the entrance into the luminaire.& _2 h+ u; I/ A5 U6 {' d1 s* Y
16.21.1.2 Test results shall be acceptable if there is no:4 ?, K; o" Y8 j( ^5 r8 }- k
(a) movement of the flexible cord of more than 1.6 mm (0.063 in); and
' O, J0 J2 V, h: s. g% A( @" J(b) breaking of the conductor or loosening of the wiring connections inside the enclosure of the# D2 v" Z0 H# M5 K V
luminaire.! y& f2 N7 Q' Q6 T5 v9 |
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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