Electrode Specifications

III. GROUND SYSTEM TESTING

1. Prior to connection to any utility the grounding system shall be tested by a qualified firm to determine the resistance-to-ground of the system.
   
2. The following tests are acceptable methods for the resistance-to-ground verification:
   1. Clamp-on Induced Frequency Resistance-to-Ground method.
   2. 3-point Fall-of-Potential method.