This “earth ground” is a very important part of yourelectrical systemto ensure electrical safety.
What Are Ground Rods?
Another option is to add a second ground rod.
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Note:Most local jurisdictions and local power companies require the 2-ground rod method to pass inspection.
Some counties also allow or require a footing or foundation ground connection for new construction.
Whenever possible, ground rods should go into moist soil around your home.
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Usually, the area close to the foundation has enough moisture due to runoff water from downspouts.
Ground wires for residences typically are made of copper and are #6 (6 AWG) or larger.
For 200 Amp services, a #4 grounding electrode conductor (ground wire) is required.
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Grounding Clamps
Grounding clamps are used to connect the grounding electrode conductor to the ground rod.
Electrical Safety: Safety & Health for Electrical Trades.
Center for Construction Research and Training.
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250.53 Grounding Electrode System Installation.
National Electric Code 2020.
NEC Code 2020: 250.52 Electrodes Permitted for Grounding.
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National Fire Protection Association.
Electrical Guidelines and Policies.
North Carolina Department of Administration State Construction Office.
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National Electrical Code 2020 of Illinois.
