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Location DB > United States > New York > Rochester > Iola Tuberculosis Sanitorium > Trip 7 > 100_1016.jpg 58 / 60   100_1016.jpg Description Controls Return to Main Location Page Return to Gallery Overview Edit this Gallery Edit this Picture Un-Subscribe this Picture Comments Posted by THWN2 5/17/2005 11:51 PM | remove   This is a transformer vault very dangerious Posted by rostit 10/1/2005 12:55 PM | remove   You are quite lucky you didnt get fried in there. The amount of power in these vaults can actually arc to your body from th ebus bars. Carry an inductance voltage meter or just stay out of Electrical vaults if they are powered. Most power co. Personel dont even enter them unless the power is cut. Posted by EvilNick 11/12/2005 5:56 PM | remove   I was in the doorway. These were maybe 15 feet from me, hence the blury picture with no tripod Posted by THWN2 11/15/2020 12:46 AM | remove   Im surprised the padlock was off. I gave the best explanation i could in the next photo. I see two 3 phase banks of transformers in this vault. The red bar on the right side of each transformer connects to the front BUSS BAR = your NEUTRAL connection which is grounded. The bar on the left side of each transformer is a phase [live] A,B,C. The buss bars are on the SECONDARY low voltage side of the transformers .Il bet the secondary is 120/208 3 phase 4 wire wye. The big cables coming off the ends of the buss bars are your SECONDARY LOW VOLTAGE CABLES GOING DIRECTLY TO THE LOW VOLTAGE SWITCH GEAR [two transformer banks = 2 switch grears] From the look of those cables 500 mcm [best geuss] would = a 1,200 amp capacity & a 1,200 switch gear for each bank. Now a days they would put two green PAD MOUNT transformers OUTSIDE of building with conduits going right to the switch gear [modern installation ] If you'd like to add a comment, please login or register. All content and images copyright © 2002-2024 UER.CA and respective creators. Graphical Design by Crossfire. To contact webmaster, or click to email with problems or other questions about this site: UER CONTACT View Terms of Service | View Privacy Policy | Server colocation provided by Beanfield This page was generated for you in 482 milliseconds. Since June 23, 2002, a total of 740999036 pages have been generated.