接地线

The interconnection equipment electric cable is longest may reach 5 m reaches 5 level of analysis situs connections through the USB concentrator by the chrysanthemum chain analysis situs form realization but outside meets 127 USB equipment.

该文依据的是USB1.1协议规范，总线一共4根：5V电源线、地线及两根以差分形式驱动的数据线D＋、D－。连接设备的电缆最长可达5 m，通过USB集线器以菊花链拓扑形式实现多达5级的拓扑连接，可外接127个USB设备。

Electrician: Sometimes sparks do shoot up but we have ground wire, which keeps us safe.

电工：时而会有火花，但我们已经接了安全地线。

A resistor is connected between the output end of the live wire and the output end of the earth wire, another resistor is connected between the output end of the null line and the input end of the earth wire, a neon lamp in a photoelectric coupling switch is connected at the two ends of the earth wire switch in parallel after being connected with the resistors in series, one end of a light sensitive resistor in the photoelectric coupling switch GR2 is connected with the anode DC+ of an integrated circuit IC power in the creepage protector, the other end of the light sensitive resistor is connected with the anode of a diode D3, the cathode of the diode D3 is connected with the triggering pole of the silicon-controlled rectifier SCR in the creepage protector, the neon lamp and the light sensitive resistor are positioned into a dark box, and a small hole which avoids the light sensitive resistor is formed on the dark box.

一种防止地线触点未导通的全能安全插头，包括各带开关的地、零、相三线接线和由零序互感器、脱扣器、放大器、整流器、试验回路和可控硅组成的漏电保护器，所述的火线输出端、地线输出端间连接电阻，所述的零线输出端、地线输入端间串接电阻，光电耦合开关内的氖灯与电阻串联后并联在地线开关两端，光电耦合开关GR2内光敏电阻的一端与漏电保护器内的集成电路IC电源正极DC＋连接、光敏电阻的另一端与二极管D3的正极连接，二极管D3的负极与漏电保护器内的可控硅SCR触发极连接，氖灯和光敏电阻置于暗箱中，暗箱上开一避开光敏电阻的小孔。

After being connected with a resistor in series, the primary input end of a transformer is connected with the output end of the live wire and the output end of the null line in parallel, the secondary output end is connected with the two ends of the earth wire switch in parallel after being connected with another resistor in series, one end of a neon lamp in a photoelectric coupler is connected with the input end of the earth wire E and a secondary end of the transformer, the other end of the neon lamp is connected with the centers of the two resistors, one end of a light sensitive resistor in a photoelectric coupling switch is connected with the anode of an integrated circuit power in the creepage protector, the other end of the light sensitive resistor is connected with the anode of a diode, the cathode of the diode is connected with the triggering pole of the silicon-controlled rectifier in the creepage protector, the neon lamp and the light sensitive resistor are positioned into a dark box, and a small hole which avoids the light sensitive resistor is formed on the dark box.

防止地线触点未导通的全能安全插头，包括各带开关的地、零、相三线接线和由零序互感器、脱扣器、放大器、整流器、试验回路和可控硅组成的漏电保护器，变压器初级输入端串联电阻后并接在火线输出端和零线输出端，次级输出端与电阻串联后并联在地线开关两端，光耦内氖灯的一端与地线E输入端和变压器次级的一端连接，氖灯另一端与二电阻的中心连接，光电耦合开关内光敏电阻的一端与漏电保护器内的集成电路电源正极连接、光敏电阻的另一端与二极管的正极连接，二极管的负极与漏电保护器内的可控硅触发极连接，氖灯和光敏电阻置于暗箱中，暗箱上开一避开光敏电阻的小孔。

Is L1,L2,L3,N,PE.open the control-box the confirm,in control-box, connected the yellow green line is the grounding PE .3 black lines togother is null line N,for the machine must connect the Nnull line

接电源的工业插头按插头上标号接上对应电线，即L1，L2，L3，N，PE。打开控制箱门确认，控制箱内连接黄绿线的是地线PE，3根并在一起的黑线是零线N。本机必须连接N线。

Provided with ground wire and fuse for safety .

4.1.4 电源线路中必须接上地线和技安保险。

The origins of disturbed signals were analyzed for different earthed-conditions between PZT and sample. It is best to ensure that the upper surfaces of PZT and sample have independent earth wire respectively, and for semiconductors, an insulation glue between the PZT and sample was chosen.

在结构设计合理的探测器组件基础上，分析了探测器材料和样品在不同的接地状态下干扰信号的产生原因，指出了样品与探测器的上表面最好同时接不同的地线，而对半导体类样品，样品与探测器之间最好采用电绝缘的耦合剂。

A luminaire required to be grounded in accordance with Clause 3.14.1.1 and designed for mounting over an outlet box, but not incorporating a means to terminate the branch circuit grounding conductor, shall be provided with a mounting crossbar that has a grounding termination means.

一个灯具，要按第3.14.1.1的要求接地，其设计是将其安装在一个插座盒子上，但没有任何方式使其与分路上的地线相搭接，那么，就得配上一个上有接地方式的安装板。

Main products: TIG/MIG/Plasma torch and parts, gouging torch , electrode holder, earth clamp, amphenol plug, cable joint, and so on.

专业生产CO2气体保护焊焊枪，氩弧焊炬，等离子割炬，碳弧气刨枪，电焊钳，地线夹，航空插头和快速接头等。

The good news is that after formatting from the command line to FAT32 (format /fs:fat32 /a:4096 drive:) all but one of the problematic games that I tested work perfectly.

好消息是，从指挥线后格式化了FAT32(格式/曾荫权：了FAT32/答：4096年径：)所有问题，但其中的游戏测试工作，我很好。

In Amsterdam. He is a Dutch painter, draftsman, and etcher of the 17th century, the greatest artist of the Dutch school, a master of light and shadow whose paintings, drawings, and etchings made him a giant in the history of art.

伦勃朗是一位17世纪画家、绘图家、版画家，荷兰学派的最伟大艺术家，他的明暗法的大师，他的绘画、素描和版画使他成为一位艺术史上的巨匠，其画作体裁广泛，擅长肖像画、风景画、风俗画、宗教画、历史画等。