Abbrev. for General Purpose Outlet. The typical mains power wall socket. On stage is used to refer to a power outlet not connected to the lighting dimmer system, and so providing an independent source of power.
GPO:GPO stands for various things (such as the Government Printing Office) but in a healthcare context (and many other contexts) a GPO is a Group Purchasing Organization. A medical GPO might be able to bring the purchasing power and negotiating leverage of large medical consortiums or hospital systems to doctors' offices. For example, high-quality ... Found on http://www.medterms.com/script/main/art.asp?articlekey=9591