Types of Electrical Grounding and What They Mean

Originally, the plan was to write about another topic.

But after some thought and reflection, it occurred to me that there is very little information about electrical grounds and grounding.

If you’re an electrician, you’re hopefully familiar with grounding in homes and buildings (Earth grounding). But there are different types of grounds and not a lot of information is available to non-construction oriented electronics enthusiasts.

Even many engineering texts seem to completely ignore the subject and fail to give any practical explanation or meaning to the term ground.

To make matters worse, electronics enthusiasts often confuse and incorrectly interchange the symbols for the different types of electrical grounding.

For example, you may think that your car has a “ground”. The truth is your car sits on four insulators and is not at all electrically connected to the Earth.

So what does all this mean? Let’s take a closer look at the types of electrical grounding and what the term “ground” really means.

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