Grounding vs Bonding Online Training

This article was posted 02/24/2006 and is most likely outdated.

Grounding vs Bonding: 250.68 Grounding Electrode Conductor Termination

February 24, 2006

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PART III. GROUNDING ELECTRODE SYSTEM AND GROUNDING ELECTRODE CONDUCTOR

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Page 13 of 14

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250.68 Grounding Electrode Conductor Termination.

(A) Attachment Fitting. The grounding electrode attachment fitting must be accessible.

Exception 1: The grounding electrode attachment fitting to an encased or buried grounding electrode isn’t required to be accessible. Figure 250–119

Author’s Comment: When the grounding electrode attachment fitting is encased in concrete or buried, it must be listed and identified for this purpose [250.70].

Exception 2: An exothermic or irreversible compression connection to fireproofed structural metal isn’t required to be accessible.

(B) Effective Ground-Fault Current Path. To ensure a permanent and effective grounding path for an underground metal water pipe electrode, a bonding jumper must be installed around insulated joints and equipment likely to be disconnected for repairs or replacement. Figure 250–120

Author’s Comment: Continuity of the conductive bonding path for metal water piping as required by 250.104(A) cannot rely on water meters, filtering devices, or similar equipment [250.53(D)(1)].

Figure 250–119
(Click on image to enlarge)

Figure 250–120
(Click on image to enlarge)

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I'll go ahead and take care of this for you, but just wanted anyone else that may encounter this issue to know how to do this.

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