Down to Earth: Grounding and Bonding Fundamentals

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Michael J. Johnston

Chapter 2 in the National Electrical Code® contains requirements for wiring and protection. Included in Chapter 2 are requirements covering electric services, overcurrent protection (e.g. circuit breakers and fuses), electrical load calculations, conductor sizing and grounding and bonding, to name a few. Compliance with electrical grounding and bonding rules is a key element to installing a safe electrical system—no big revelation here, right?

It is one thing to locate or read a Code requirement; it is another to fully understand the requirement and apply it to a system or installation.

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