Word: volts
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...blowout disconnected the line from service; when Q-29BW's load transferred automatically to four other trunk lines running westward out of Beck, they were knocked out as well. With no place to go, the peak-hour power buildup reversed its flow, cascaded eastward through two 230,000-volt tie lines across Niagara Gorge. In a wave that lasted only five-sixths of a second, the wild wattage surged into New York State, knocking out the Niagara Falls-Massena main line three seconds later...
...Harvard will definitely have emergency generation--at least enough to run the 550-volt circuit and probably more than that," he said...
...volt system is one of the three types of back-up sources in use at Harvard. Its reserve power comes from a cable which reaches beyond the College's two substations and connects with the main current line from the Cambridge Power and Light Company, where Harvard buys all its electricity. Murphy said the system is a recent innovation which, at this time, services only a section of the University. The other two emergency sources are wet and dry-cell batteries...
...batteries are supposed to be outdated; but, Murphy said, they were the sole source of power during the blackout. When Cambridge Power and Light failed, the 550-volt back-up faltered also...
Murphy admitted that none of the fire alarms in the Houses along the Charles River were functional during the powerless period. The alarms are supplied by the 550-volt hookup. Only the battery-powered emergency lights switched on, and they lasted for no more than two hours. They were not intended to be a permament light source, Murphy said, but merely to provide light for escape from buildings during fires...