Grounded Adapter Plug US to South Africa and Older Parts of Ireland GUE CE Certified Premium Grounded 3 prong voltage adapter plug for 220 volt power outlets in South Africa & rural Ireland Grounded adapter plugs maintain the ground from the electrical outlet to your appliance. Modifies electrical outlet - does not convert electricity. Adapter plugs are needed because electrical wall outlets around the world differ in shape and size. Model# GIS-A1027