|
|
pls see below from UL817 for information, hope it can help u....
# q0 ^4 [8 h6 ^6 ]2 u) ?- c% y8 X5 ^" { |
87 Temperature Test7 p/ J5 ]' v+ j# w9 e
87.1 General
0 {% i/ X/ ^$ T+ d& e9 d q87.1.1 The blade of a male fitting shall be capable of carrying continuously, without a temperature rise of5 M7 u* m( r5 }0 Z4 U/ U/ V
more than 30°C (54°F), a current equal to the ampacity of the cord, but not greater than the maximum" S0 f" n. _! D5 H3 S
current for which the plug is rated. If the product employs a fuse, it shall be tested with the fuse in place9 q, m9 e3 y: G2 |, {
and the fuse shall remain intact following the test. h" D M1 o7 ~" \7 T0 Q% t
87.1.2 To determine that a male fitting complies with 87.1.1, the blades of the male fitting are to be
# d% i' N4 X4 W, gconnected to each other by means of a short length (not more than 1-1/2 inches or 38 mm) of copper wire
) I5 ?) t& [! j, k0 }% {" gwith one end soldered to each blade. The wire is to be No. 14 AWG if the rated ampacity of the cord is c& Z% s0 I- e
not more than 18 A, and is to be No. 8 AWG for a cord that is rated for higher ampacity. With the assembly) u$ ]) M4 O5 _2 n
carrying a current equal to the acceptable ampacity of the cord (either direct current or alternating current),
' c4 @' f! g1 _8 E4 Vtemperatures are to be measured by means of thermocouples on the blades at the plane of the face of
( h: k5 m3 x/ }* \$ Hthe male fitting.* F3 L, @' D$ k( D6 U2 k; g# o
87.2 Joints
' H j( T4 h, s87.2.1 A joint in an adapter cord set shall be capable of carrying continuously, without a temperature rise
/ H. s# e {) B, Tof more than 30°C (54°F), a current equal to the rating of the adapter cord set." \0 n ]0 R& T( e, n
85.2.2 To determine that a joint complies with 87.2.1, the adapter cord set is to be caused to carry a
1 E \/ _4 ^% V, ?' e" L$ mcurrent equal to the rating of the adapter cord set; temperatures are to be measured by means of
$ t+ n8 [' \& k9 nthermocouples placed in contact with the joint adjacent to the conductor. |
|
/1 
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2010-5-12 10:16
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡