. The street railway review . PLAN ANH BEOTION OF SUB-STATION WITH WAITING ROOMS. the insulators. I his ■ similar > .mill pair of insulators bj I wire which are twisted until it i; apparent thai the load is distributed between the two pairsof insulators. The high tension bus bars consist of No. 2 bare copper wiresstretched in a l>riok and concrete structure erected in the air lockunder the transformers, the arrangement being practically the samein the central and the sub-stations. The l>n~ for each branch of the _v>. 1902.] STREET RAILWAY REVIEW. 457 circuit is located in a tunnel
. The street railway review . PLAN ANH BEOTION OF SUB-STATION WITH WAITING ROOMS. the insulators. I his ■ similar > .mill pair of insulators bj I wire which are twisted until it i; apparent thai the load is distributed between the two pairsof insulators. The high tension bus bars consist of No. 2 bare copper wiresstretched in a l>riok and concrete structure erected in the air lockunder the transformers, the arrangement being practically the samein the central and the sub-stations. The l>n~ for each branch of the _v>. 1902.] STREET RAILWAY REVIEW. 457 circuit is located in a tunnel made by placing horizontal partiticement concrete between vertical side walls of l»rick: and the leadsto the oil switches and transformers are similarly separated by 4-in. vertical brick walls supported by steel angles at the corners. It is noticeable that all the sub-station wiring is arranged so thatall the wires and cables except those pertaining to the instrumentson the switchboard arc carried in the basement, and ther
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
