Ask an electrician which way a receptacle, aka outlet, should be installed: “Ground up or down?” Typically, the answer is “both are fine,” though most of us have a preference. The National Electrical ...
A. Electrical power systems are grounded (connected to the earth) to limit the voltage induced by lightning, line surges, or unintentional contact by higher‑voltage lines and stabilize the system ...
Why is grounding so difficult to understand? One reason is because many do not understand the definition of many important terms. So let’s review a few important definitions contained in Articles 100 ...