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6600 volt Oil Switch Powerhouse #2



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    Installation of new 6600 volt Transmission line at Powerhouse #2

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    Installation of new 6600 volt Transmission line at Powerhouse #2

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    Big Creek Powerhouse #2

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  • Cells for Oil Switches at Powerhouse #2

    Cells for Oil Switches at Powerhouse #2

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    Cells for Oil Switches at Powerhouse #2

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  • C1.1 - Charts miscellaneous - A drawing of a 10,000 Volt disconnecting switch and switch pole from page OH

    C1.1 - Charts miscellaneous - A drawing of a 10,000 Volt disconnecting switch and switch pole from page OH

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    C1.1 - Charts miscellaneous - A drawing of a 10,000 Volt disconnecting switch and switch pole from page OH-18 (4584) of the Small Standards Book.

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    Big Creek: Powerhouse No. 2 and 2a (part 2)

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    Photographs of Powerhouse 2 and 2A, Part Two. Views of auto transformers, substation, new 6600 V line, new bridge for powerhouse extension, Unit No. 4 with direct connected exciter, constructing new Unit No. 4, 150kV - 220kV Bushings, switchboard, installation of new Unit No. 4 penstock, concrete plant, incline batch cars, stand pipes, Unit No. 3 foundation, Unit No. 3 penstock install, valve house modification, rock crushing plant, Johnson Valve, assembly of new Unit No. 3, auto circuit breakers, 150kV Oil Switch, new hoist, autotransformers, and 11kV equipment, new Bus Bar installation, Governor No. 4; Camp No. 7 - telephone exchange, cottage, machine shop, warehouse, mess hall construction, sawmill; Camp No. 5 - forebay construction, batch plant, steam shovel excavating.

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  • Powerhouse No. 2 & 2A, Switch garden, and Dam #5

    Powerhouse No. 2 & 2A, Switch garden, and Dam #5

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    [Powerhouse No. 2 & 2A, Switch garden, and Dam #5 - aerial view]

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