. Electric railway journal . NT—OIL SWITCH AND BUSBAR COMPARTMENTS ON MIDDLE GALLERY ALTERNATING-CURRENT AND DIRECT-CURRENT OPERATING PANELS ON TOP GALLERY IN TURBINE ROOM 864 ELECTRIC RAILWAY JOURNAL [Vol. XLIX, No. 19 are of the GE-H3 type. This arrangement providesvery simple high-tension wiring on these two galleries. The uppermost gallery contains the switchboard andhorn gaps and electrolytic lightning arresters for an11,000-volt alternating current circuit, and from it alsothe direct current feeders pass through bushed holes inthe wall to the overhead line. The switchboard is soplaced as
. Electric railway journal . NT—OIL SWITCH AND BUSBAR COMPARTMENTS ON MIDDLE GALLERY ALTERNATING-CURRENT AND DIRECT-CURRENT OPERATING PANELS ON TOP GALLERY IN TURBINE ROOM 864 ELECTRIC RAILWAY JOURNAL [Vol. XLIX, No. 19 are of the GE-H3 type. This arrangement providesvery simple high-tension wiring on these two galleries. The uppermost gallery contains the switchboard andhorn gaps and electrolytic lightning arresters for an11,000-volt alternating current circuit, and from it alsothe direct current feeders pass through bushed holes inthe wall to the overhead line. The switchboard is soplaced as to command a view of the entire turbine roomand it is conveniently reached by the bridge from theturbine walkway. The electrical features of the plant are summarized inthe accompanying circuit diagram. On this it will benoted that, in addition to the items already mentioned,there is double provision for excitation from a set and a 200-kw. motor set. A storage battery uooo Oil 1 VoltBwitchcfl,!, :j<£ Uus. CONNECTICUT COMPANY POWER PLANT—DIAGRAM OF ELECTRICCIRCUITS IN POWER HOUSE supplies current for oil-switch operation and emergencylighting, charged from a 31/:>-kw. motor-generator whole plant is brilliantly lighted by tungsten lamps,and partly for decorative purposes the turbine is sur-rounded by lamps mounted on simple pipe standards. As is customary in modern plants this one is suppliedwith many of the minor conveniences and safeguardswhich increase the safety and comfort of the employeesor warn of abnormal operating conditions. A well-equipped wash-room with shower bath, railings at alldangerous places, stairways with wide treads, etc., areexamples of this feature. An eight-station WesternElectric interphone system connects all important points,a Klaxon horn being used to attract attention to a soundproof booth with Klaxon signal is used in con-nection with outside calls. Bell signals are also pro-vided to indicate opening of a
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