UL217 标准

slmhbjquilt

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

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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

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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

71.2 Power-supply cord
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71.2.1 When tested in accordance with 71.2.2, the strain relief means provided on the flexible cord shall withstand for 1 minute, without displacement, a pull of 35 pounds-force (156 N) applied to the cord with the connections within the alarm disconnected.
* p$ u0 a: ?$ {9 I. q# ~) t) b
" G/ \0 j9 B" G9 [& i7 q  @71.2.2 A 35 pound-mass (15.9kg) weight is to be suspended on the cord and supported by the alarm so that the strain relief means are stressed from any angle that the construction of the alarm pemits. The strain relief does not comply when, at the point of disconnection of the conductors, there is such movement of the cord as to indicate that stress has resulted on the connections.
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0 \: G3 X" z/ F7 _; }# Z71.3 Field-wiring leads
- P. Z) R4 W* ?( k7 ~71.3.1 each lead employed for field connections, including a battery clip lead assembly, shall withstand for 1 minute a pull of 10 pounds-froce (44.5N) without any evidence of damage or of transmittal of stress to internal connections. A connector used in the lead assembly shall withstand a pull of 5 pounds-force (22.3N) without any evidence of damage, transmittal of stress to internal connections, or separation.

% \& ?7 D( x* j& N0 @5 m请教各位专家 上面的具体怎么操作  能翻译出来最好  万分感谢咯

slmhbjquilt

牛人都跑哪去了啊？
8 [( i; q6 F4 y& y, i
6 V1 b# N5 W9 o4 j呼唤牛人

anuni

35磅力加在电源线两端上，在其允许的任意角度上线无位移。
# y/ {( ^9 S; Z( I3 Z10磅的力加在电线与五金挂钩之间，其间的铆接处无脱开
5磅的力加在线夹与线之间，并且线夹装在报警器上，试验是线夹、线都无脱开

rindon

71.2电源线
71.2.1 经受71.2.2的测试，电源线承受35磅的力，一分钟的拉力测试，导线（铜线）无位移；
71.2.2电源线以任意允许的角度承受35磅的拉力测试。如果在导线断开处有位移表明在连接处有承受应力的现象，则此测试不满足要求。
: i; H' n# Y" E5 Z71.3 不清楚，帮不了你。

anuni

看来跟我原来理解的差不多嘛，高手们，谢了

ivyy

71.3
对现场安装的导线, 包括电池的固定夹引线, 要能承受1分钟10磅的拉力而不出现任何脱离或应力内移. 用于连接用的接线端子, 应该承受1分钟5磅的拉力

ivyy

看看这个贴子, 和你一样的问题

5 \! n: m# H& ]2 W- ~2 xhttp://www.angui.org/read.php?tid-55222.html

anuni

71  Strain Relief Test
' c7 Q( @0 V5 c/ p/ N71.1  General 71.1概述
+ a5 R! `7 L+ p. M# W$ q  R7 t71.1.1  A cord or lead that relies upon a thermoplastic enclosure or part for strain relief is to be subjected to the applicable tests specified in 71.2.1 - 71.3.1 following exposure to the temperature conditioning test described in 66.2.1.
  }8 V/ {, q% Y) O* H6 k2 i71.2  Power-supply cord 71.2电源线
9 L/ @2 D* t- `71.2.1  When tested in accordance with 71.2.2, the strain relief means provided on the flexible cord shall withstand for 1 minute, without displacement, a pull of 35 pounds-force (156 N) applied to the cord with the connections within the alarm disconnected.

71.2.2  A 35 pound-mass (15.9 kg) weight is to be suspended on the cord and supported by the alarm so that the strain relief means are stressed from any angle that the construction of the alarm permits. The strain  relief  does  not  comply  when,  at  the  point  of  disconnection  of  the  conductors,  there  is  such movement of the cord as to indicate that stress has resulted on the connections.
71.3  Field-wiring leads
) g  D2 j" V- x$ c$ A( _0 u- r71.3.1  Each lead employed for field connections, including a battery clip lead assembly, shall withstand  for 1 minute a pull of 10 pounds-force (44.5 N) without any evidence of damage or of transmittal of stress to internal connections. A connector used in the lead assembly shall withstand a pull of 5 pounds-force (22.3 N) without any evidence of damage, transmittal of stress to internal connections, or separation.

0 \" K4 j: u6 O小弟理解是这样的：
7 M3 y5 i% a  |$ t4 x 71.2电源线在与断开时，线上在允许的角度范围内承受35磅的力线内铜丝与线包皮无位移
) f1 s. c, U  C7 u3 P 71.3导线与五金挂钩的卯扣处能承受10磅的力无脱开；导线与五金挂钩的整体与线夹之间承受5磅的力无脱开
望各高手拍砖，指正！

sakurakai

上面的链接打开提示：
帖子ID非法

bjhzxykj

什么连接啊