Grounding an electrical outlet is an important safety measure that helps protect against electrical shock. It creates a low-resistance path for electricity to flow to the ground, preventing it from flowing through a person’s body. To check if an outlet is grounded, you will need a receptacle tester, also known as an outlet tester. These inexpensive devices are available at most hardware stores.
Once you have a receptacle tester, follow these steps to check if an outlet is grounded: