Inspection of leeds NW pole-mounted SF6 circuit breaker at ABB Sace, Italy (LR-SAM-047)

The suburban electrification in the north west area of Leeds incorporates pole mounted single phase SF6 circuit breakers at electrical sub-stations. These were supplied by ABB SACE of Bergamo, Italy. Some concern had been expressed concerning the high level of electrical activity, visible at night time, taking place on...