A Rare Inside Look At How Google Pioneered Warehouse-scale Computing

Server Power

The floor in the central data room is kept at about 80 degrees Fahrenheit, so it feels a little warm. Running data centers warmer than most helps Google achieve greater efficiency, Kava explained.
Overhead power distribution lines come in from the outside yard. High-voltage power is distributed across bus bars to customized bus taps, which are essentially plugs for extension cords.