System Grounding Size

Estimate Grounding Electrode Conductor (GEC) sizing based on the largest ungrounded service-entrance conductor.

Service Conductor Material

Ground Conductor Material

Largest Service Wire (AWG/Kcmil)

Pro Tip: Grounding vs Bonding

Do not confuse Grounding Electrode Conductors with Equipment Grounding Conductors. They utilize entirely different sizing tables depending on the fault path requirement.

Grounding Conductor

Solid or Stranded • Copper Bare

Estimated sizing for Grounding Electrode Conductors. Equipment Grounding Conductors (EGC) run with branch circuits require a completely different code table.

Need precise code verification?

Need to verify complex custom scenarios? Consult Henri to cross-reference exact regulatory requirements for your specific installation condition.

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