. The Street railway journal . nsulator pins are fastened by %-in. maple dowel pins. The FIG. 4.—PRINCIPAL Si REET IN REDONDO cross-arm carrying the 600,000 circ. mil feeder cable,and thetelephone wires is also of Oregon pine. It is 6 ft. x ~,y2 3% in., and in addition to a Y% in. x 12 in. machine bolt issupported by two 24 in. x ij4 m- x lA m- iron braces. Thedetails of the trolley wire bracket are self-explanatory. As mentioned above there are several advantages from anoperating standpoint in having two routes. The wiring systemis so arranged that either one or both sub-stations can sup
. The Street railway journal . nsulator pins are fastened by %-in. maple dowel pins. The FIG. 4.—PRINCIPAL Si REET IN REDONDO cross-arm carrying the 600,000 circ. mil feeder cable,and thetelephone wires is also of Oregon pine. It is 6 ft. x ~,y2 3% in., and in addition to a Y% in. x 12 in. machine bolt issupported by two 24 in. x ij4 m- x lA m- iron braces. Thedetails of the trolley wire bracket are self-explanatory. As mentioned above there are several advantages from anoperating standpoint in having two routes. The wiring systemis so arranged that either one or both sub-stations can supplycurrent over either route, thus enabling linemen to cut outeither station or either high-tension line while the system isin operation for the purpose of making line repairs, and withoutinterfering with traffic. In case of washouts or other localobstructions on one line, the reliability of service between ter-minals is assured by the other route. The same advantageapplies to telephone service between terminals, as an inde-. FIG. 7.—BELVIDERE SUB-STATION, SHOWING THE JUNCTIONOF THE TWO ROUTES pendent return copper circuit follows each route. Telephonesare used in despatching trains. SUB-STATION EQUIPMENTAs mentioned above there are two sub-stations for distrib-uting direct-current to the system, one at Belvidere, about^y2 miles from Rodondo, the other at Centinela, about 6 milesfrom Los Angeles. The buildings are both of brick, with con-crete floors, and were designed with the idea of being orna-
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
