What is the safe distance between buildings and high-voltage lines?

2022/05/18

Author: Noyafa–Cable Tester Manufacturer

What is the safe distance between buildings and high-voltage lines? Cable identification instrument price Below 1kV: 1.0m; 1kV-10kV: 1.5m, 35kV: 3.0m, 66kV-110kV: 4.0m, 154kV-220kV: 5.0m, 330kV: 6.0m, 500kV: 8.5m. What is the safe distance from buildings and high-voltage lines for high-voltage lines below 1kV? The price of cable identification instrument is below 1kV: 1.0 meters; 1kV-10kV: 1.5 meters, 35kV: 3.0 meters, 66kV-110kV: 4.0 meters, 154kV-220kV: 5.0 meters, 330kV: 6.0 meters, 500kV: 8.5 meters. The safety distance of high-voltage lines below 1kV is 4 meters; the safety distance of 1-10kV high-voltage lines is 6 meters; the safety distance of 35-110kV high-voltage lines is 8 meters; the safety distance of 154-220kV high-voltage lines is 10 meters; the safety distance of 350-500kV high-voltage lines is 15 meters.

What is the safe distance between buildings and high-voltage lines? Among them, 110kV and 330kV are mostly used in northern areas. Generally speaking, the transmission voltage below 220 kV is called high-voltage transmission, the transmission voltage of 330 to 750 kV is called ultra-high-voltage transmission, and the transmission voltage above 1,000 kV is called ultra-high-voltage transmission. High-voltage lines usually refer to transmission lines that transmit voltages above 10kV (including 10kV).

According to GB/T 2900.50-2008, definition 2.1 stipulates that high voltage usually does not contain 1000V. The voltage levels of high-voltage transmission lines in China are generally divided into: 35kV, 110kV, 220kV, 330kV, 500kV, 750kV, etc. Shenzhen Noyafa Electronic Technology Co., Ltd.

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