A device that enables the connection of an older three-prong appliance cord to a more modern four-slot receptacle. This adapter is commonly sought at retail locations specializing in home improvement supplies. For example, individuals moving into newer homes with updated electrical systems may find a need for this when their existing stoves have a three-prong plug.
Its use offers a convenient and often cost-effective method to avoid the expense of replacing an appliance or rewiring an electrical system. Historically, residential electrical systems evolved, leading to the introduction of a dedicated ground wire. Adapters bridge this gap, allowing older appliances to be used in contemporary settings; however, proper grounding remains paramount for safety.