. Electrical world. ansmission circuits, and six of the cells are now sooccupied. In each of these six cells there is a wooden frame onwhich are mounted 42 of the brass cylinder type of lightning ar-resters. Each arrester carries five small brass cylinders on a por-celain base, and between the sides of these cylinders there are fourair-gaps each about 1/32 in. in length. The group of 42 arresters Double made Switehes rr Xi aaan^n w FIG. 4.—DIAGRAM OF HIGH-TENSION CIRCUITS. ered cable is connected to the conductor in question, and this cablepasses out through the 15-in. opening and ac
. Electrical world. ansmission circuits, and six of the cells are now sooccupied. In each of these six cells there is a wooden frame onwhich are mounted 42 of the brass cylinder type of lightning ar-resters. Each arrester carries five small brass cylinders on a por-celain base, and between the sides of these cylinders there are fourair-gaps each about 1/32 in. in length. The group of 42 arresters Double made Switehes rr Xi aaan^n w FIG. 4.—DIAGRAM OF HIGH-TENSION CIRCUITS. ered cable is connected to the conductor in question, and this cablepasses out through the 15-in. opening and across the River Road to the tower on the transformer house. Each of the six insulated cables ^ f ? T 7 T 1 ? r Switchea H. Oil Switches Lever Switches SecticuiLli::iiig Le^ Outtrt ing Outgoing FIG. 6.—DIAGRAM OF M.\IN CONNECTIONS, SCHENECTADY SWITCH HOUSE. joined in series connects one conductor of a circuit with the ground,so that any discharge over the arresters must jump 168 of the Fig. 5.— of Switchbo.\rd Wiring. is supported across this road by a steel cable with underhung in-sulators. Each of the twelve circular holes, that pierce the outer brick wallof the terminal house for the circuits from Spier Falls to enter,opens into a brick cell on the second floor that is 10 ft. 9 in. high, 27 Opposite the lever switch cells, and near the River Road side ofthe terminal house there are two groups of cells for H oil switchesof General Electric make. Each group consists of cells and pro-vides for two three-pole switches of the type just named. The sixcells for two switches occupy a space 10 ft. 9 in. long. 2 ft. 9 in. wide ni8 ELECTRICAL WORLD and ENGINEER. Vol. XLIII, No. 24. and 7 ft. 4J4 in. high above the floor. The back and ^nd walls otthese cells are of brick 4 in- thick; the side walls between differentpoles of the same switch are also 4 in- thick, and the soapstone topsand inside shelves have a thickness of 2 in. each. From fron
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
