. Electric railway journal . Woodland Avenue substation with the Thirty-third Street and Market Street power house intoa feeder. The increased traffic on Chester Avenue,caused by routing the Hog Island cars over this line,required an increase of feeder capacity along ChesterAvenue for a distance of 7100 ft. This increase wassecured by replacing a 400,000-circ. mil cable with a1,500,000 circ. mil cable. In the rearrangement of the distribution system onEastwick Avenue two sections of trolley wire are beingfed from the new substation. The feeder capacity onthis line has been increased from 1,000
. Electric railway journal . Woodland Avenue substation with the Thirty-third Street and Market Street power house intoa feeder. The increased traffic on Chester Avenue,caused by routing the Hog Island cars over this line,required an increase of feeder capacity along ChesterAvenue for a distance of 7100 ft. This increase wassecured by replacing a 400,000-circ. mil cable with a1,500,000 circ. mil cable. In the rearrangement of the distribution system onEastwick Avenue two sections of trolley wire are beingfed from the new substation. The feeder capacity onthis line has been increased from 1,000,000 circ. milto 2,000,000 circ. mil by the addition of two 500,000-circ. mil cables. These cables are all overhead, exceptas shown in Fig. 9 illustrating the underground con-nections to the substation. On the new line to HogIsland the feeder system consists of three 500,000-circ. mil cables for the first mile, two 500,000-circ. milcables for the second mile, and from there to the endof the loop one 500,000-circ. mil FIG. 12—CONDUITS FOR THE SUBSTATION LOW-VOLTAGE CIRCUITS Section insulators insulate this overhead work fromthat of the Philadelphia Railways, where the line ofthe latter company enters the terminal loop on HogIsland. The feeders are connected in parallel and aretied into the trolley every 700 ft. The tie-in is madeby replacing the usual span-wire cable with a copperone and insulating this from the pole with wood straininsulators. Electrical connection to the trolley is madeby means of feed yokes which take the place of theusual ear insulators. The feed-in cables are No. 0000triple-braid, weatherproof standard copper and are con-nected to the feeder through a feeder switch. This isa quick-break switch mounted at the top of the poleand inclosed in a cast-iron box of the companys owndesign. The box is arranged for clamping on eitheriron or wood poles. On the side of the pole oppositefrom the switch box, a Garton-Daniels direct-currentlightning arrester is p
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