old ceramic telephone cable wire support detail Stock Photo - Alamy

Ceramic insulators hi-res stock photography and images - Alamy

Wire telephone house hi-res stock photography and images - Alamy

Insulator high voltage closeup hi-res stock photography and images

Telephone line and porcelain insulators Stock Photo - Alamy

Telephone cables hi-res stock photography and images - Page 19 - Alamy

Overhead phone lines hi-res stock photography and images - Alamy

Old domestic overhead power lines with ceramic insulators on roof

Old concrete electric pole with wires against sky background Stock

Power line with live wires. Electric poles with ceramic cable