This is a snap-in panel mounted 3 prong (with ground) AC receptacle often used in multi outlet power strips. The 3 terminals are 0.187" male quick connects, however, wires can be soldered to these connections, or a female quick connect will mate to the terminal. Similar to: Calrad 95-790 Philmore 8535 Additional Model #'s 70-PL164 PL164