Siemens introduces the new simple, spacious and secure Plug-on neutral load centers with electronic breakers. The Ground fault (GFCI) circuit breaker are an effective means of preventing severe electrical shock. GFCIs are installed to protect areas of the home, such as the kitchen, bathroom or laundry, where electrical appliances or products may come into contact with water. This Ground Fault circuit breaker is the same, reliable design, without the pigtail, specifically designed for the Plug-On Neutral Load Centers.