High-voltage equipment, particularly oil-filled transformers, poses a significant fire risk. IEC 61936 dictates the use of fire-resistant barriers, catchment tanks for oil leaks, and minimum separation distances from nearby buildings. Environmental and Operational Conditions
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IEC 61936-1: Power Installations Exceeding 1 kV AC and 1.5 kV DC – Part 1: AC particularly oil-filled transformers