New York State
These pictures show evidence of corrosion of both newer (1960's) steel pole and older (1940's) steel lattice structures.				Examples of corrosion in smaller-size overhead conductors

Steel pole H-frame 765kv transmission line built in the 1980's with 4 conductor bundle and 400+ meter spans.					An old (1950's) 230kv double circuit structure transmission line with only one circuit conductored and close-up of "arcing horns" on strain insulators.

North Carolina

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