Distribution boxes, cable tray vertical shaft, trough 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 alloy cable bridge, engine room which traces bridge bridge factory in Zhengzhou, FRP cable tray, CSP alloy plastic cable tray which bridge factory in Zhengzhou telephone, cable tray installation - Henan InfoQuick bridge grounding a complete electrical equipment Co., bridge system should have reliable electrical connections and ground (only bridge on the metal). 2, while allowing the use of the bridge when the grounding line loop system configuration meets the following requirements. Resistor connected between the ends of the bridge should not exceed 0.00033 ohm, ground hole should clear insulating coating. In 1KV and below the neutral grounding system which bridge factory in Zhengzhou professional, neutral grounding powered devices connected to the system ground. Cut off the power supply is equipped with dynamic loading at Xuan, the long direction of the metal bridge stage cross-sectional area shall not be less than the specified value. 3, the total length of the bridge along the ground lay another trunk, each (including non-linear segment) should be at least a little bridge reliable connection and grounding lines. 4, the vibration places, at the site of the grounding connections shall be equipped with a spring ring. Distribution boxes, cable tray vertical shaft, trough cable tray, tray cable tray, Ladder type cable tray factory in Zhengzhou which bridge installation, DJ-type large span cable tray, CABLOFIL mesh cable tray, hot dip galvanized cable tray , stainless steel cable tray, aluminum cable tray, room alignment bridge, FRP cable tray, CSP alloy plastic cable tray, cable tray installation - Henan InfoQuick bridge voltage electrical equipment Co., Ltd. cable tray main components: support installation of cable tray care, through the columns and corbels to complete. Column is the main component supporting cable tray; while the bridge's load is transmitted to the column through the bracket arm. Therefore, columns and corbels are the two main components of cable tray installation. Aluminum cable tray: short aluminum alloy cable tray device, made of aluminum alloy material of the tray or ladder straight elbow accessories and hangers, and the like for supporting the cable has a continuous rigid structure of the whole device. InfoQuick bridge, which bridge factory in Zhengzhou [phone], bridge factory in Zhengzhou which is provided by InfoQuick bridge electrical equipment. Looking for "cable tray" fly supplier network operators choose to have the whole alliance Certified: Henan InfoQuick bridge voltage electrical equipment Co., Ltd. (www.jtqiaojia.com), trustworthiness and reliability, now click on the "Business Alliance on the page customer service "With our live chat now!