. The street railway review . m interruption and, atthe same time, absolute immunity from accidents to attendants ex-cept in the case of gross negligence. One side of the L. comprisingthe bus bar chamber, is used for the connections of the high tensionlines from the step-up transformers to the bus bars and the otherbranch of the L is used for taking oflf the high tension lines run-ning to the sub-stations. Each of the three bus wires run in acompartment built of brick, the three compartments being entirely closed to each other. These compartments are 17 in. square insidemeasurement, and openin
. The street railway review . m interruption and, atthe same time, absolute immunity from accidents to attendants ex-cept in the case of gross negligence. One side of the L. comprisingthe bus bar chamber, is used for the connections of the high tensionlines from the step-up transformers to the bus bars and the otherbranch of the L is used for taking oflf the high tension lines run-ning to the sub-stations. Each of the three bus wires run in acompartment built of brick, the three compartments being entirely closed to each other. These compartments are 17 in. square insidemeasurement, and openings on either side of the compartments arcmade wherever connecting wires are brought in or where insulatorsare located. These openings are arranged so as not to come verti- cally over each other and a heavy concrete slab is built into thewall at the top and bottom of each opening. Strain insulators areprovided at the ends of the bus wire compartments so that theslack in the wires may be taken up. Heavy porcelain insulators are.
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
