Stainless steel tray, stainless steel tray Which is good, InfoQuick bridge electrical equipment supplied by InfoQuick bridge electrical equipment. Henan InfoQuick bridge voltage electrical equipment Co., Ltd. (www.jtqiaojia.com) have been "Business League certification", please rest assured purchase through the entire network, click on the page check "Business League certification icons" of our authentication information. You can also click on the "Business Alliance Service Icons" on this page directly contact our customer service! Distribution box, shaft cable tray, trough cable tray, tray cable tray, Ladder type cable tray, DJ type large span cable tray stainless steel tray, CABLOFIL mesh cable tray, hot dip galvanized cable trays, stainless steel cable trays, aluminum cable tray stainless steel tray price, room traces bridge, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co., Ltd. cable tray selection design: strong, weak lines should be divided trough laying, strong, weak in the junction box (box) must be separated by a metal cross during the separation plate, strong, weak conductors shall be in direct contact with the online slots. Various wiring trunking ground within the junction box to allow only outlet orifice fitting. In the construction and installation of floor trunking, trunking tube requires all together into a reliable ground overall. Distribution box, shaft cable tray, trough cable tray, tray cable tray, Ladder type cable tray, DJ type large span cable tray stainless steel tray Which is good, CABLOFIL mesh cable tray, hot dip galvanized cable bridge, stainless steel cable tray, aluminum cable tray, cable tray room to go stainless steel trays offer, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co. trough cable tray installation Methods: The preparation of the construction program: reading maps and survey records based on selected cable tray installation forms in different sections of the building structure; construction organization to determine the composition according to the contract duration and construction personnel. Determine the construction program should follow the following provisions: a, cable tray should be possible in the buildings, the installation of structures (such as wall studs beams, slabs, etc.). Second, the total flat cable tray layout should be the shortest distance from there to meet construction and installation, cabling requirements. Third, when the ladder or perforated tray laying height from the ground level of not less than 2.5m; trunking, local non-porous tray height of not less than 2.2m. Except laying electrical rooms (such as power distribution room, electrical steam shafts, technology layer) inside. Fourth, when the bridge vertical laying, at a distance of 1.8m following section should be added to the first metal cap protection, but is laying in the electrical equipment with the exception of the room. Fifth, the interlayer distance multilayer laying cable tray is generally: (1) on the bridge layout roof or other obstructions of not less than 0.3m. (2) Power cable tray spacing should not be less than 0.3m. (3) control room cable tray should not be less than 0.2m.