. The Street railway journal . c*f---iar-r^TTi * u s-J—A Cross Arm has 0 Insulators High PotenSQ^ _ U-\J J I / - Insulators Si,Cross Arm Brace, 30 W^JJ f Carriaje Dolts for Braces «j j SjgUfH Potential^—1 Cross Arm -1 s ^jjr——.1 Glass Insulator Low Poteift ~1. STANDARD OVERHEAD LINE CONSTRUCTION 558 several hundred per cent. The other switches are of asmaller breaking capacity and hand operated. All but thegenerator switches are fitted with instantaneous overloadrelays, making the switches serve as automatic circuitbreakers, doing away with the use of fuses in the high-ten-
. The Street railway journal . c*f---iar-r^TTi * u s-J—A Cross Arm has 0 Insulators High PotenSQ^ _ U-\J J I / - Insulators Si,Cross Arm Brace, 30 W^JJ f Carriaje Dolts for Braces «j j SjgUfH Potential^—1 Cross Arm -1 s ^jjr——.1 Glass Insulator Low Poteift ~1. STANDARD OVERHEAD LINE CONSTRUCTION 558 several hundred per cent. The other switches are of asmaller breaking capacity and hand operated. All but thegenerator switches are fitted with instantaneous overloadrelays, making the switches serve as automatic circuitbreakers, doing away with the use of fuses in the high-ten-sion circuits. The cables running from the switchboard are easilyaccessible, and the part of the building over the switch-board and its connections is in the form of a tower, into thetop of which all feeder cables, etc., are brought andanchored to a cage before connecting with the main switch-board. & The power station is one of the largest planned in NewEngland. Combined car houses and sub-stations are being built atWestboro, Wellesley Hills and Waltham, and in additionthe present street railway power station in Marlboro willbe converted into a sub-station. These buildings are sub-stantially built of red brick with steel trusses, furnished byMilliken Bros., of New Yo
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
