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Flashover Failure in Bushings

Fertilizer Caused Failure

Fused Bushing Surface Fused Bushing Surface Fertilizer Residue

Welding Caused Failure

Welding and Fertilizer Aluminum and Iron Welding Spheres Iron Welding Spheres Iron Welding Spheres Nitrate and Gypsum Salts Nitrate and Gypsum Salts

Carbon Fiber Caused Failure



Soot and Charred Wood Caused Failure



Marine Aerosol Caused Failure



Other Particles on Bushing Surfaces

Iron Wear Particle and Feldspar

Copper Migration Failure

Copper

Particle Contaminants in Bushing Oil

Rust, Insect Parts, Plant Parts, etc. Rust Rust

Particles That Grow in the Oil

Organic Precipitates Organic Precipitates Organic Precipitates Organic Precipitates
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