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标题: 路灯零线 [打印本页]
作者: daocaoren 时间: 2013-7-30 09:31
标题: 路灯零线
现在好多drive的input线直接当成灯具的电源线，但零线是蓝色的，符合UL1598规定吗？ 可以在上面加个贴纸标上N吗？
作者: tsunn 时间: 2013-7-30 09:36
可以的。
8 H$ v! J& i% g2 M" x4 V m' Q依据是：
2 V/ l4 a, V, R) x a3 H6.10.1 A conductor terminal intended for the connection of the neutral conductor of the branch circuit shall be substantially white in color or be marked neutral adjacent to the terminal in accordance with Table20.1.1, Item 1.5.
作者: daocaoren 时间: 2013-7-30 13:20
tsunn 发表于 2013-7-30 09:36 
) L/ r, b3 p, r' w
可以的。
1 {: L/ {8 d2 T) `5 e y, S依据是：# h9 X% W6 v" Q' @" V7 V
6.10.1 A conductor terminal intended for the connection of the neutral conductor ...
# W) `- R# G" n4 q那UL8750 7.4.2.2.3怎么看
8 i. w5 o9 z5 s1 P5 y3 K. b8 i, O3 h
' f' x/ g0 A, e$ Z7.4.2.2 Field-wiring leads) M, V3 Z: h: t: w
7.4.2.2.1 A field-wiring lead shall be no smaller than 18 AWG (0.82 mm2).
7 z- Y1 m! B1 S/ X7.4.2.2.2 The free length of a field-wiring lead shall be 15.2 cm (6 in) or more. Where a wiring
: P. k& K' ?3 j, Q, b# ?compartment is provided, the free length is measured from the point of entry of the lead into the wiring
6 A! D4 m$ w1 U& Zcompartment to the free end.: V h0 ?# j2 O- \+ L- A# y
7.4.2.2.3 The insulation of a lead intended for the connection of a grounded conductor (common or( _- e8 f2 Z+ I
neutral) shall be white or gray throughout its length.- R* h: p( v5 u. {1 i
7.4.2.2.4 The insulation of a lead intended for the connection of an ungrounded (hot) conductor shall be1 p6 e1 m6 G, K5 w
any color other than white, gray, green, or green with yellow stripe.6 x- K1 }" \ `' U, o/ [! d" P
7.4.2.2.5 A lead intended for the connection of a grounding conductor shall be bare (no insulation) or
4 k$ W+ e/ F6 W, N/ o3 N2 g dgreen, or green with yellow stripe.
作者: tsunn 时间: 2013-7-30 13:53
daocaoren 发表于 2013-7-30 13:20 # c) w/ p' i2 k/ o& G S
那UL8750 7.4.2.2.3怎么看1 g+ P3 h) ?1 m8 [
& t x4 x4 { E' O
7.4.2.2 Field-wiring leads
找JSSPACE来解答一下，我UL8750不擅长
作者: sheng18 时间: 2013-8-5 11:20
顶上去。。让JSSPACE看到。。。
& u; i( d1 g, o
6 |) ^9 p9 ?, N3 X0 K+ }因为我也很想知道。。。
作者: daocaoren 时间: 2013-8-6 11:55
sheng18 发表于 2013-8-5 11:20 ( |, T+ F, | V
顶上去。。让JSSPACE看到。。。2 m0 l7 L8 R/ y
U; G+ ?5 O+ U
因为我也很想知道。。。
可以用N标在线头处
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