line-to-line short-circuit
51North Downs Line — Overview Type Suburban rail, Heavy rail System National Rail …
52Closed-circuit television — CCTV redirects here. For other uses, see CCTV (disambiguation). For the Chinese television station, see China Central Television. Surveillance cameras on a corner. Closed circuit television (CCTV) is the use of video cameras to transmit a signal… …
53Charing Cross (Northern Line) tube crash — The Charing Cross (Northern Line) tube crash occurred at 08:32 hours on 10 March 1938, when two Northern Line trains collided near Charing Cross (now Embankment). Twelve people were slightly injured. The cause was a wrong side failure of the… …
54Circle line (London Underground) — Circle Colour on map Yellow Year opened 1884 Line type Sub Surface Rolling stock C Stock 6 carriages per trainset …
55Sanyō Main Line — The nihongo|Sanyō Main Line|山陽本線|San yō honsen is the JR main railway line in western Japan, connecting Kobe Station and Moji Station, largely running parallel the coast of the Inland Sea, in other words the southern edge of western Honshū. The… …
56Zig-zag in-line package — The zig zag in line package or ZIP was a short lived packaging technology for integrated circuits, particularly dynamic RAM chips. It was intended as a replacement for dual in line packaging (DIL or DIP). A ZIP is an integrated circuit… …
57Track circuit interrupter — A track circuit interrupter may be fitted at catch points, trap points or buffer stops to maintain a track circuit in the occupied state in the event of a derailment. The track circuit remains de energised until the interrupter is replaced.… …
58Chameleon Circuit (band) — Chameleon Circuit Chameleon Circuit performing at VidCon, July 2011. Background information Origin London, UK Genres …
59North East MRT Line — North East Line redirects here. For the railway line in Australia, see North East railway line.      North East MRT Line 东北地铁线 வடக்கு கிழக்கு எம்ஆர்டி வழி …
60Green Line (Washington Metro) —      Green Line …
