What is the purpose of the equipment ground in a residential electrical system?

The purpose of the equipment ground in a residential electrical system is to ensure safety. The equipment ground provides a safe path for fault current to flow back to the ground in case of an electrical fault, such as a short circuit or a ground fault. By directing this current safely away from the user and into the ground, it helps to prevent electric shock and reduces the risk of electrical fires.

When electrical devices or systems malfunction, the grounding system is essential in protecting both individuals and equipment. It helps maintain a lower potential on exposed metal parts, making them safer to touch. This safety mechanism is a crucial aspect of electrical installations and contributes to the overall reliability and protection of a residential electrical system.