In the continuous process of the society, we are also in constant progress, can feel the change of living conditions. From the original to the chisel wall excuse me with the invention of electricity, with the human into the light. As we all know, electricity can not touch, access to the indoor electricity needs a certain carrier. We see that the general outdos overhead laying power cables, control cables, power cables and telecommunications, radio and television and other parts of the inside and outside of Shandong, need to use the cable tray, then, Shandong cable need to choose which rules in the selection?

　　1.山東電纜橋架在選擇時(shí)需要一定的高度和寬度，而且在選擇時(shí)要注意電纜真充率不能超過有關(guān)標(biāo)準(zhǔn)規(guī)范的規(guī)定值，控制電纜可參照50~70%的標(biāo)準(zhǔn)來取值，同樣的動(dòng)力電纜可取40~50%，并且還需要予留10~25%的發(fā)展余量；

　　1 Shandong cable bridge requires a certain height and width in the selection, but also to pay attention to the cable really filling rate can not exceed the value of the relevant standards and specifications in the selection, control cable can refer to 50~70% standard value, power cable the same desirable 40~50%, and also need to keep the development of margin 10~25%;

　　2.在選擇附件時(shí)，要尤其注意：各種附件要符合工程標(biāo)準(zhǔn)而且還要與橋架相配套；

　　2 in the selection of accessories, to pay particular attention to: all kinds of accessories to meet engineering standards but also with bridge matching;

　　3.對(duì)于支、吊架的選擇，要按照橋架的規(guī)格、跨度、層數(shù)等規(guī)格條件來配置，而且要特別注意滿足負(fù)載的要求，超重負(fù)載都會(huì)帶來橋架的損害；

　　3 for the support and hanger, according to the specifications and number of specifications to span, configuration, and special attention should be paid to meet the load requirements, overweight load will bring damage to the bridge;

　　4.另外，橋架橫截面積的選擇要參照一定的規(guī)格表來選擇：比如，0-60安的橫截面積能的允許小值為129mm等等。

　　4 in addition, the bridge cross-sectional area should be selected according to a certain specification to choose: for example, the cross-sectional area of the 0-60 can allow the minimum value of 129mm and so on.

　　為了我們的山東電纜橋架更符合標(biāo)準(zhǔn)，一定要注意選擇規(guī)格標(biāo)準(zhǔn)！天正山東電纜橋架歡迎您的來電，我們將真誠為您服務(wù)！

　　In Shandong we cable bridge accord with the standard, attention must be paid to the selection standard! Shandong Tianzheng cable tray, welcome your call, we will serve you sincerely!