Safe distance from high-voltage distribution box guardrail
The National Electric Safety Code (NESC) provides guidelines that indicate minimum clearance distances. For instance, for voltages up to 50 kV, a minimum distance of 10 feet is often recommended. High-voltage transmission lines are necessary for delivering electricity over long distances – from generating plants to distribution substations. Certain conditions, such as power flow, wind speed and air temperature can cause conductors.
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