标题: UL有吊链规定吗？和吊重？ [打印本页] 作者: 258 时间: 2007-6-17 20:03 标题: UL有吊链规定吗？和吊重？ 2.8 3.2 3.8 4.2的吊链能吊多重灯，一般多重的灯要加刹车线作者: yzyjy 时间: 2007-7-23 14:58
至少承受5倍所吊灯重吧.作者: lcky 时间: 2007-7-25 00:26
UL 1598里面有专门的规定 i( Y6 m8 t8 f5 G f3 O' ]4 \7 r: Z& {( I: e1 N9 J- g
吊重的要求- t6 D9 f) ~ G& t% q X% F
16.15 Loading7 }4 e% }4 M; c( c4 ]; s# s8 K
16.15.1 A supporting device shall support a load equal to four times the total mass to be supported under3 _- U! p( L2 H. W. X, {2 n8 N7 w3 S) X
intended operating conditions for 1 h. The load shall be applied in the direction of actual loading9 t0 l! R5 B9 f$ o8 \' Q
conditions. $ S z# I# w8 W: }$ h1 k9 G" Q7 Y16.15.2 Where more than one support is provided, the load shall be distributed as follows: ' z/ Y! K! \ S0 Y6 f5 \& }(a) where the parts supported are no more than 11.3 kg (25 lb), the full load shall be applied to % H% Z1 |- Z$ ]each support; or # D) W; V' P% g* q(b) where the parts supported are more than 11.3 kg (25 lb), the distribution of the load shall. o: t( x" y3 n
be similar to that encountered in the field.0 b/ ^3 d3 `' j
16.15.3 There shall be no deflection or deformation either during or after loading that reduces electrical + i. t2 q V7 t8 i# Q# Yspacings or compromises safety.* ]3 q7 |: D7 C2 u
; ^' z8 p; ~/ n$ G额外的支承措施要求+ y& O, j: E6 O7 k' E7 c
10.2.5 A luminaire, including lamps, shall be provided with means of support independent of the outlet 0 V/ \& A$ I! M) L! z. D8 Q2 Nbox and shall be marked and provided with installation instructions in accordance with Table 20.1.1, Items. ]4 A9 c3 J K5 v+ m0 W
1.21 and 1.33, if it is:5 `1 m$ U' T7 M6 W0 a
(a) a ceiling surface type and weighs more than 22.7 kg (50 lb); or$ n# f5 s' `5 m2 Y3 e. h
(b) a surface wall-mounted type and weighs more than 11.4 kg (25 lb).作者: wwnw_007 时间: 2007-9-8 09:12
2楼的正确哟 作者: lxie 时间: 2018-2-2 14:45
没看懂，有中文版的吗
