
What are the critical safety considerations when working on a 110 kV line?
2025-08-13Safety is the paramount concern on any high-voltage project. Working on 110 kV lines requires strict adherence to safety protocols and the use of specialized tools to protect crews.
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Minimum Approach Distances: The electrical field around a 110 kV line can arc over a considerable distance. Workers must maintain a safe minimum approach distance at all times, typically around 4 meters or more, depending on local regulations.
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De-energization and Grounding: Before any work begins, the line must be completely de-energized, tested for voltage, and securely grounded using high-voltage earthing and grounding equipment to prevent accidental re-energization and dissipate any stored charge.
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Use of Insulated Equipment: When work on or near live lines is necessary, it must be performed using specialized insulated tools and hot sticks that are rated for the specific voltage.
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Personal Protective Equipment (PPE): Linemen must wear a full suite of PPE, including insulated gloves, safety helmets, and fall protection harnesses, at all times while working at heights.
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