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SAN-EARTH Vs. Bare Copper Wire

   Lower Resistance


   Test Site Soil Coniditions

Depth   0.2 m  1.72 m  4.3 m  6.88 m  20 m
Resistivity at Indicated Depth   306 Ω-m  382 Ω-m  186 Ω-m  161 Ω-m  47 Ω-m
Average Resistivity to Indicated Depth   306 Ω-m  372 Ω-m  232 Ω-m  332 Ω-m  237 Ω-m

  • SAN-EARTH electrode resistance is 60-70% lower than bare copper counterpoise wire.
  • Installation costs are similar.
  • Resistance of the five meter SAN- EARTH electrode is the same as the twenty-meter long bare copper wire.
  • Ideal contact with the surrounding soil is achieved because SAN-EARTH conforms to the shape of the trench.
  • The effective surface area of the SAN-EARTH grounding electrode is about 25 times larger than the counterpoise wire.
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