UL 1598内部线问题

hanterzhu

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

请教固定式灯具内部线线径有要求吗，好像1598只提到外部线的要求，具体在哪一章节里呢？

jsspace

至少18AWG，请查看第6.9章节
' _/ C2 ]: G% |3 C# @3 W7 y0 p4 U4 r如果满足6.9.3， 或者6.9.4线径可减少

hanterzhu

jsspace 发表于 2013-11-7 17:36
9 b; ~: E" F; S" e至少18AWG，请查看第6.9章节
如果满足6.9.3， 或者6.9.4线径可减少

那UL153里面是不是任何线径都可以呢，我看到这样一条：
A conductor of a wire or cord shall be minimum 18 AWG (0.82 mm2) except where a smaller size
is permitted in (a) – (d) below:
a) Internal wiring is permitted to be of any size provided it is adequately protected against
overload or abnormal conditions by internal fusing and protected against mechanical damage by
/ |- k- G% E1 A0 z( Ythe enclosure, barriers, or routing.
+ v! {# ^, S  U& `8 wb) A conductor in a Class 2 circuit shall be minimum 24 AWG (0.21 mm2).
$ r$ `4 e4 D  R: k# j0 Ic) A permanently attached, completely enclosed, and maximum 6-inch (152-mm) long lead wire
for a clock motor or transformer shall be minimum 24 AWG (0.21 mm2), provided that stalling of
/ i" t/ ]  q5 p* j. k& [7 e* B0 Bthe clock motor or any abnormal or overload on the transformer secondary does not result in a
* ~2 K0 V4 y: @1 c/ J7 P2 O. h( erisk of fire.
) [* s9 v" g4 v) G) n+ Zd) Conductors for a series or series/parallel string of non-replaceable lights located within a
* \3 y( N( R# C' t- _rigid housing which prevents moving or flexing of the conductors are permitted to be of any
size, provided that the portable luminaire complies with the Conductor Short Circuit and
: r: m4 X$ f- }3 ]! K' bAbnormal Operation Test, Section 131A.

hanterzhu

jsspace 发表于 2013-11-7 17:36
) Z( ]( {* O- D8 Z/ @至少18AWG，请查看第6.9章节
如果满足6.9.3， 或者6.9.4线径可减少

另外6.9.3和6.9.4说的是要同时满足a，b，c三点是吗？

jsspace

hanterzhu 发表于 2013-11-7 17:55
* V+ ^* r: o8 g% _4 d另外6.9.3和6.9.4说的是要同时满足a，b，c三点是吗？

+ V- B8 V& B. e' j: G5 O7 D1 ~6.9.3 ，6.9.4 都是 abc三个需要同时满足