What do you call the electrical system grounding point created by a common ground?

The term used to describe the electrical system grounding point created by a common ground is known as a "Grounding Electrode System." This system typically consists of various components designed to ensure that all parts of the electrical system are properly grounded. The grounding electrode system is crucial for safety, as it helps protect both equipment and people from electrical faults by providing a direct path for fault currents to travel safely to the earth.

A grounding electrode system may include ground rods, plates, or meshes, which are installed in the earth and connected to the electrical system grounding conductors. This setup reduces the risk of electric shock and helps stabilize voltage levels, enhancing the overall reliability and safety of the electrical installation.

The other options, while related to electrical systems, do not specifically refer to this grounding point concept. A common ground connection may refer to a shared grounding point but does not encapsulate all aspects and components of a grounding electrode system. The power distribution center and electrical junction point pertain to distribution and connection aspects of electrical systems but do not define the grounding aspect itself.