Voltage Valet D-United Kingdom/Hong Kong - PDC
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Ungrounded Adaptor Plugs If your North American appliance plug has two flat blades only, then your applaince is ungrounded. Five different ungrounded adaptor plugs are available for use with ungrounded voltage converters, transformers and dual voltage appliances: PLEASE NOTE: Adapter plugs DO NOT convert electricity. We are very proud of the comments from our customers.