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Power lines have fail safes, why didn't Xcel allow them to work? : vimarsana.com
Power lines have fail safes, why didn't Xcel allow them to work? : vimarsana.com
Power lines have fail safes, why didn't Xcel allow them to work?
Xcel Energy made their fail safes more sensitive, but still purposefully shut off power to tens of thousand of people last weekend during a powerful windstorm.
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