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Grounding and Bonding: Closely Related Terms, But Different Functions

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In any discussion of grounding and bonding, questions such as the following often arise: What does grounded mean? Does bonded mean the same thing as grounded? If a piece of equipment is

Full Article

Code Topic: Grounding and Bonding

Where to Find Grounding and Bonding
in the Code

Applying the Code

Q. Our building department staff has different opinions on the grounding system when there is one main panel and two separate buildings on the same property. What is the proper number of wires required from the main panel to the second building if there is an Ufer ground, or concrete encased electrode, provided at the second structure?

Fast Fact

The NEC® is the basis for all electrical codes in the United States.

Code Check

Can a nut and bolt that are used to mount a metal box to a metal framing member also be used as the termination point for the equipment grounding conductor?

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