This is what a typical electric arc street lamp looked like in the era from the early 1880s through the mid 1890's. Arc lamp circuits were an integral part of urban overhead line construction in the early days of electrical power.

[id=794976630] to see a preserved example of one of these once ubiquitous early open arc electric street lamps.

[id=794977838] to see a photo of a lamp like this being serviced.