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UL 153 这个灯要做cls 159 mouting means test 吗？这个算弹簧吗（就一个铁线）？
: a0 `" C4 S; ?* c, i" x159.1.1 A clamp-on unit relying on a spring-actuated clip for securement shall be subjected to the test
; C. h; d! `, e- C/ hdescribed in 159.2. Compliance criteria is described in 159.3.+ J3 ^+ `& y D
159.2 Test method( P4 Z; o, s% ~( f# p
159.2.1 The test is to be conducted as follows:
) ^# }2 v: p7 S0 g( C* T$ r" [a) The unit is to be clamped to a smooth vertical unpainted metal surface 1/16 inch (1.6 mm)- H$ C4 J+ V9 D$ N1 d
thick. A weight equal to the weight of the unit is to be attached at the point where the clamp is2 a% {' Q! ]# ~& ?4 i
secured to the unit. See Figure 159.1.
; e6 ^5 q$ j6 t/ ` }5 {/ Sb) The test is to be repeated with the unit clamped to a smooth, unpainted pine wood surface
% S/ `' S) U* k) ~" ]& H5 I0 \1-1/2 inches (38 mm) thick.
7 y1 A+ @( \; S1 Zc) For each of the above conditions, the weight is to be applied gradually and maintained for6 | L+ P- u/ n, f! ~0 b
one hour.
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发表于 2013-4-13 12:51
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