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SAN-EARTH Vs. Bare Copper Wire

   Lower Impedance


   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

  • Surge impedance is reduced by more than 50%.
  • The surge impedance of the SAN-EARTH electrode was particularly low during the first critical 0-0.1 Ásec of the surge.
  • Fast response provides enhanced protection for sensitive equipment.
  • Significant advantage over other grounding methods.
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