What distinguishes grounding type receptacles from non-grounding type?

Grounding type receptacles are specifically designed to enhance safety by including a grounding contact. This grounding mechanism provides a path for electrical faults to safely discharge to the ground, thereby reducing the risk of electric shock or fire caused by short circuits. In contrast, non-grounding type receptacles lack this grounding contact, making them less safe for use with appliances that require grounding, especially those that have metal cases.

The grounding contact in these receptacles is critical for devices that could potentially expose a user to electrocution risks, particularly in a residential setting where water and other conductive materials might be present.

The other options do not specifically define the key distinction related to safety and function. While grounding type receptacles might handle more load due to their enhanced construction, that is not their defining characteristic. Similarly, installation costs and color options are not differentiators between grounding and non-grounding types. Thus, the inclusion of a grounding contact is the crucial aspect that sets grounding type receptacles apart, ensuring they meet safety standards and protect users.