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NEMA GR 1:2007

NEMA GR 1:2007 Grounding Rod Electrodes And Grounding Rod Electrode Couplings Applies to ground rod electrodes and ground rod electrode couplings that function in accordance with the National Electrical Code and/or the National Electrical Safety Code.

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Table of Contents

Foreword
Section1-GENERAL
1.1Scope
1.2NormativeReferences
1.3UnitsofMeasurement
1.4Definitions
Section2-COPPERBONDEDGROUNDRODELECTRODES
2.1SteelCoreProperties
2.2CopperThickness
2.3Length
2.4GroundRodElectrodeDiameters
2.5Threads
2.6EndConfigurations
2.7Adhesion
2.7.1TestMethod
2.7.2Evaluation
2.8Ductility
2.8.1TestMethod
2.8.2Evaluation
2.9Finish
2.10Straightness
2.10.1TestMethod
2.10.2Evaluation
2.11Markings
Section3-ZINCCOATEDGROUNDRODELECTRODES
3.1SteelCoreProperties
3.2ZincCoating
3.2.1CoatingMethod
3.2.2Thickness
3.2.3Measurement
3.3Length
3.4GroundRodElectrodeDiameters
3.5Adhesion
3.5.1TestMethod
3.5.2Evaluation
3.6Finish
3.7Straightness
3.7.1TestMethod
3.7.2Evaluation
3.8EndConfigurations
3.9Markings
Section4-STAINLESSSTEELGROUNDRODELECTRODES
4.1SteelProperties
4.2Length
4.3GroundRodElectrodeDiameters
4.4Finish
4.5Straightness
4.5.1TestMethod
4.5.2Evaluation
4.6Markings
Section5-COUPLINGSFORCOPPERBONDEDGROUNDROD
ELECTRODES
5.1PhysicalProperties
5.1.1SurfaceCondition
5.1.2Material
5.2Construction
5.2.1Length
5.2.2ApplicationDiameter
5.3Performance
5.3.1Conductivity
5.3.2Impact
5.3.3Pullout
5.3.4Bend
5.3.5MechanicalStrength
5.4Markings
Section6-COUPLINGSFORZINC-COATEDGROUNDRODELECTRODES
6.1PhysicalProperties
6.1.1SurfaceCondition
6.1.2Material
6.2Construction
6.2.1Length
6.2.2ThreadlessGroundRodElectrodeCouplings
6.3Performance
6.3.1Conductivity
6.3.2Impact
6.3.3Bend
6.3.4MechanicalStrength
6.4Markings
Section7-COUPLINGSFORSTAINLESSSTEELGROUNDROD
ELECTRODES
7.1PhysicalProperties
7.1.1SurfaceCondition
7.1.2Material
7.2Construction
7.2.1Length
7.2.2ApplicationDiameter
7.2.3ThreadlessGroundRodElectrodeCouplings
7.3Performance
7.3.1Conductivity
7.3.2Impact
7.3.3Bend
7.3.4MechanicalStrength
7.4Markings

Abstract

Applies to ground rod electrodes and ground rod electrode couplings that function in accordance with the National Electrical Code and/or the National Electrical Safety Code.

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