Ground Cable

Wires and cables for grounding electrical systems safely.

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Introduction

Proper grounding protects people and equipment by directing fault current safely into the earth.

  • Copper grounding wire offers low resistance and corrosion resistance for long-term installs
  • Stranded cable bends easily around corners in residential panels and outdoor boxes
  • Pre-cut lengths with ring terminals speed up bonding to rods and bus bars

Select the correct gauge and length for your grounding project.

FAQs

Six-gauge copper is common for 100-amp services; consult local code for larger loads.

Aluminum is permitted in some regions but requires anti-oxidant compound at connections.

Eight feet is standard; keep the top flush or slightly below grade per code.

They must tie back to the main grounding electrode system, not an isolated rod.

Bare wire is typical indoors; use green insulated THHN for exposed or wet locations.