Going In Style Tanzania Grounded Travel Adapter Plug Kit - GUD and GUF Grounded adapter plugs allow electrical connections up to 240 volts A Grounded Adapter plug does NOT change the current or voltage (this requires a converter) unless your appliance is dual voltage This grounded adapter supports 3 pronged as well as 2 pronged appliances Note: Make sure your appliances are DUAL VOLTAGE, adapters DO NOT change voltage, adapters change plug configuration