标题: 餐吊灯 [打印本页] 作者: lai236994 时间: 2011-10-21 17:57 标题: 餐吊灯 餐吊灯 1 o8 E. k( s% Y$ M光源：GU24 9 V; u9 D3 u8 @' H$ q& _. F7 O美国市场 5 p8 m9 C% N& N( ]2 n. Q这类餐吊灯可否用两芯（UL认证）圆线，如果用此线的话还需增加地线吗、。作者: lai236994 时间: 2011-10-22 11:38
希待有人解答。谢谢作者: Liu 时间: 2011-10-22 12:45
看你的具体结构了，很主要的是你的产品有没有外露的可能带电的金属件，你可以参考一下以下章节：5 ]3 ]- A2 `/ _. ~9 A
2 w% u7 N0 ?1 ?4 X+ q
6.14.1.1 Non-current-carrying metal parts and metallized polymeric parts that are accessible during user 9 W$ X& J6 W, J* }2 H% m5 Dmaintenance or component replacement without the use of tools and that can involve the risk of shock& E# L4 |) U4 Z: |% N4 e- m' k
shall be bonded to ground and shall comply with the bond impedance test of Clause 17.2. A luminaire with ) W4 P6 W5 w/ C. f& k0 Fnon-current carrying parts bonded to ground shall have the resistance of the bonding circuit tested in2 t8 G$ f. n+ G7 B* u) `/ t
accordance with Clause 17.2.1. If the resistance exceeds 0.10 W, the bonding circuit shall be tested as1 a0 ~- S7 _& M9 @
specified in Clause 17.2.3. " j6 i8 \7 i' Q 9 m: D. d6 I/ P, W7 F$ U10.6.1 The cord of a cord-connected luminaire that is required to be grounded shall contain an equipment8 S) K8 a5 d4 u, w
grounding conductor.0 G5 o2 `3 x, Z( K0 e
% J# Z7 a; p( z. F" p. b& f$ m10.2.12 A flexible cord providing the sole support of a luminaire or luminaire part shall not be subjected 8 @. d! L5 r- `6 k6 lto kinks or sharp bends, and shall be at least: . {) l5 ^% T& ~6 Z(a) a not-for-hard-usage jacketed type if supporting a mass of 2.3 kg (5 lb) or less; or: |; r: E5 c5 K+ ?" }$ E- Y
(b) a hard-usage jacketed type if supporting a mass of 4.5 kg (10 lb) or less.作者: Andrew.Zhao 时间: 2011-10-24 13:30
只要距离够，没有一定强制要地线啊作者: LJX198325 时间: 2011-10-25 16:08
吸顶盘在加地线。灯头支架后加矽套管