{"product_id":"historic-photo-new-york-haven-hartford-railroad-cos-cob-power-v23","title":"Historic Photo : New York, New Haven \u0026 Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT 23 Photograph","description":"\u003cp\u003e58. VIEW OF SIGNAL BUS SECTION NUMBER 2 LOCATED OVER THE CONTROL ROOM MEZZANINE IN THE SIGNAL POWER CONDITIONING ROOM. BUS IS A HEAVY COPPER BAR APPROXIMATELY 1\/2\" BY 4\" WHICH CONDUCTS POWER THROUGHOUT THE POWER PLANT. BUS ARE PROTECTED BY A BRICK AND SOAPSTONE HOUSING. OPENINGS FOR INSPECTION AND ACCESS WOULD NORMALLY BE PROTECTED BY GLASS DOORS. THE BUS WOULD BE SUPPORTED ON INSULATORS WITHIN THE BRICK CHAMBER. BUS WAS REMOVED AND SALVAGED WHEN THE STATION WAS ABANDONED. THE OBJECT IN THE TOP CENTER OF THE PHOTOGRAPH IS A POTENTIAL TRANSFORMER USED TO REDUCE BUS POTENTIAL OF 2200 VOLTS TO LOW VOLTAGES SAFE FOR USE IN CONTROL ROOM CIRCUITRY. POTENTIAL TRANSFORMERS ARE PRECISION DEVICES WHICH PRODUCE AN ACCURATE LOW VOLTAGE ANALOG OF THE HIGH VOLTAGE ON THE BUS. - New York, New Haven \u0026amp; Hartford Railroad, Cos Cob Power Plant, Sound Shore Drive, Greenwich, Fairfield County, CT\u003c\/p\u003e","brand":"Historic Pictoric","offers":[{"title":"08in x 12in","offer_id":44909332594851,"sku":"3026125_0812__PH02","price":24.99,"currency_code":"USD","in_stock":true},{"title":"16in x 24in","offer_id":44909332693155,"sku":"3026125_1624__PH02","price":49.99,"currency_code":"USD","in_stock":true},{"title":"24in x 36in","offer_id":44909332791459,"sku":"3026125_2436__PH02","price":59.99,"currency_code":"USD","in_stock":true},{"title":"30in x 44in","offer_id":44909332889763,"sku":"3026125_3044__PH02","price":99.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0414\/5437\/0979\/products\/392485.jpg?v=1683148488","url":"https:\/\/historicpictoric.com\/products\/historic-photo-new-york-haven-hartford-railroad-cos-cob-power-v23","provider":"Historic Pictoric","version":"1.0","type":"link"}