UL插头的温升问题

113100748

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

请问各位规友，UL 插头做温升测试时候，对配线的长度有什么要求吗？有，那具体是多长？

Andy.Yang

pls see below from UL817 for information, hope it can help u....
' q' i. N, r8 K4 o& Q9 [
5 S! k0 m( {$ y% j0 \1 p87 Temperature Test
& W' {7 s; {$ T& X: |. |: }87.1 General
8 y& f6 r3 d3 M- l' Y: N2 v87.1.1 The blade of a male fitting shall be capable of carrying continuously, without a temperature rise of
more than 30°C (54°F), a current equal to the ampacity of the cord, but not greater than the maximum
: ~; L& f0 m) v# r" _- F1 lcurrent for which the plug is rated. If the product employs a fuse, it shall be tested with the fuse in place
0 q6 a! S$ Q0 Z& G" p( p  Y: sand the fuse shall remain intact following the test.
) A! X# O5 I+ b( D7 \87.1.2 To determine that a male fitting complies with 87.1.1, the blades of the male fitting are to be
9 B# M  }" V5 J* G* e, sconnected to each other by means of a short length (not more than 1-1/2 inches or 38 mm) of copper wire
- l* z/ f: J! m) P' c2 ?with one end soldered to each blade. The wire is to be No. 14 AWG if the rated ampacity of the cord is
not more than 18 A, and is to be No. 8 AWG for a cord that is rated for higher ampacity. With the assembly
: g4 C5 `0 I8 F& g0 @' ]carrying a current equal to the acceptable ampacity of the cord (either direct current or alternating current),
2 E, n" ?0 L6 btemperatures are to be measured by means of thermocouples on the blades at the plane of the face of
) k8 S# W* Q1 }! p$ Hthe male fitting.
87.2 Joints
87.2.1 A joint in an adapter cord set shall be capable of carrying continuously, without a temperature rise
6 _4 C- r5 S3 Rof more than 30°C (54°F), a current equal to the rating of the adapter cord set.
85.2.2 To determine that a joint complies with 87.2.1, the adapter cord set is to be caused to carry a
current equal to the rating of the adapter cord set; temperatures are to be measured by means of
thermocouples placed in contact with the joint adjacent to the conductor.

zy3618

一般约38mm的铜线，铜线的规格应根据样品的电流而定，≦18A选14AWG，大于选8AWG铜线。

5 o; `/ O/ k/ ~5 c5 B& `通最大额定电流、4小时，T≦30℃