Henan InfoQuick bridge voltage electrical equipment Co., Ltd. (www.jtqiaojia.com) is located in the Economic Development Zone of Zhengzhou, Henan Zhengzhou clouds technical Temple office, Contact: Mr. Wang distribution box, shaft cable trays, slotted cable tray, tray cable tray, Ladder type cable tray, DJ-type large span cable tray, CABLOFIL mesh cable tray, hot dip galvanized cable trays, stainless steel cable tray, aluminum cable tray, room alignment tray, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co., wire cable tray fire exchange with steel casing, double fire cover, built-in fireproof compartment average thickness of the insulating layer is 25mm, double cover. Board ventilation, the spray fire retardant paint, fire wire cable tray sinks when a fire paint expansion, blocking vents, cable box to protect the slot. inorganic fire compartment fire performance testing by the National Center for fixed fire-resistant 60 minutes fire resistance test, cable without damage. structural support, and can be effectively fixed inorganic fire compartment. distribution box, distribution box cable tray shaft, trough cable tray, tray cable tray where the information distribution box, Ladder type cable tray , DJ-type large span cable trays, mesh cable tray CABLOFIL Zhengzhou supply distribution boxes, hot dip galvanized cable trays, stainless steel cable tray, aluminum cable tray, room alignment tray, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co. 1.1 cable tray selection in engineering design, cable tray shall be arranged in accordance with a comprehensive comparison of economic rationality, technical feasibility, operational safety and other factors to determine the most Good program distribution box sales, but also to fully meet the construction and installation, maintenance, repair and cabling requirements. 1.2 cable tray height from ground level when no less than laying in 2.5m, 1.8m following section should be added to the metal cover to protect from the ground when the vertical laying, laying, except when in the electrical rooms. Horizontal cable tray laying on the device or on a sandwich troops Road and less than 2.5m, should take measures to protect the ground.