We were in a triple sourced data center. Fed by three different substations. Everything worked like a charm. Until Sandy hit. It did not affect us at all. But

We were in a triple sourced data center. Fed by three different substations. Everything worked like a charm. Until Sandy hit. It did not affect us at all. But it affected the power company. And everything still worked fine, until one of the transfer switches transferred into UPS position and stopped working in that position.