For the park, see Washington Square (Philadelphia). Washington Square West is a neighborhood in downtown, or Center City, Philadelphia, Pennsylvania.
Electric Door Strike (image from bigasterisk.com) A better solution for door security hardware during a power outage is to use electric strikes. An electric strike is a mechanically operated strike that releases a door when the mechanical part is activated.
To simplify installation, it is important to use locks that require less than 500ma of current. This allows the reader to be powered over Ethernet. The electric locks from Rutherford Controls are examples of this type of low power lock.Electric strikes generally come in two basic configurations:Fail-secure. Also called Fail-locked or non-fail safe. In this configuration, applying electrical current to the strike will cause it to open.