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.
Electric fuse is a protective device which protects electrical equipment in the circuit by breaking the circuit when there is a short circuit.It contains a fuse wire which has low resistance, it allows normal current tpass through it safely but if there is any short circuit, fuse will blow out i.e fuse wire cant withstand the heat produced by that ...