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Grounding type attachment plugs are specifically designed to be used in systems where an equipment ground is provided. This grounding method ensures that there is a reliable path for electrical current to travel in the event of a fault, such as a short circuit, thereby reducing the risk of electric shock or fire. An equipment ground connects to the grounding system that is typically found in electrical installations and serves as a safety measure to protect both the equipment and the users.

In contrast, other grounding types like grounding poles, neutral grounds, and common grounds serve different purposes in electrical systems. For instance, a grounding pole may refer to an isolated grounding structure typically used in specific applications, while neutral grounds involve the grounding of the neutral wire in a system, which has its distinct requirements. Common ground often refers to a shared grounding reference for multiple circuits or systems but does not adequately address the safety measures that grounding-type plugs require. Therefore, the presence of a dedicated equipment ground is crucial for the effective use of grounding type attachment plugs to ensure safety and compliance with electrical codes.