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TownofBennett·355FourthStreet·Bennett,CO80102·303-644-3249/Fax:303-644-4125www.townofbennett.org
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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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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
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TownofBennett·355FourthStreet·Bennett,CO80102·303-644-3249/Fax:303-644-4125www.townofbennett.org
Bonding of interior metal piping systems is required
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