residential grounding guides - colorado.gov · gecs of other systems. the bond to the service...

Town of Bennett · 355 Fourth Street · Bennett, CO 80102 · 303-644-3249 / Fax: 303-644-4125 www.townofbennett.org Community Development Building Division Residential Grounding Guides All available electrodes must be bonded together for for a Grounding Electrode system. Both the 2012 International Residential Code and the 2017 National Electrical Code require all available grounding electrodes to be used. A number 8 grounding electrode conductor is required to be protected from physical damage A number 6 or larger grounding electrode conductor does not require protection if it follows the counours of the building A grounding electrode conductor enclosed in a metel raceway requires a grounding connection at the raceway ends

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Page 1: Residential Grounding Guides - Colorado.gov · GECs of other systems. The bond to the service equipment must be at least a 6AVVG conductor. Min. 8AWG Min. 1 OAWG Min. 6AWG ©2014

TownofBennett·355FourthStreet·Bennett,CO80102·303-644-3249/Fax:303-644-4125www.townofbennett.org

CommunityDevelopmentBuildingDivision

Residential Grounding Guides

All available electrodes must be bonded together for for a Grounding Electrode system.

Both the 2012 International Residential Code and the 2017 National Electrical Code require all available grounding electrodes to be used.

A number 8 grounding electrode conductor is required to be protected from physical damage

A number 6 or larger grounding electrode conductor does not require protection if it follows the counours of the building

A grounding electrode conductor enclosed in a metel raceway requires a grounding connection at the raceway ends

Page 2: Residential Grounding Guides - Colorado.gov · GECs of other systems. The bond to the service equipment must be at least a 6AVVG conductor. Min. 8AWG Min. 1 OAWG Min. 6AWG ©2014

TownofBennett·355FourthStreet·Bennett,CO80102·303-644-3249/Fax:303-644-4125www.townofbennett.org

All metal boxes require bondind. Sheet metal screws are not allowed to bond the enclosure

Concentric and knockouts require a bonding bushing, wedge or locknut for required bonding

The Intersystem Bonding terminal is required on all new electrical installations and change of electrical services to ground the low voltage systems

Page 3: Residential Grounding Guides - Colorado.gov · GECs of other systems. The bond to the service equipment must be at least a 6AVVG conductor. Min. 8AWG Min. 1 OAWG Min. 6AWG ©2014

TownofBennett·355FourthStreet·Bennett,CO80102·303-644-3249/Fax:303-644-4125www.townofbennett.org

Bonding of interior metal piping systems is required

All images used are owned and copy writed by Code Check. Used by Permission

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