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vault backup: 2026-01-12 11:18:59

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Zane Meyers
2026-01-12 11:18:59 -05:00
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nfpa-70_250_grounding.md
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@@ -1189,7 +1189,7 @@ Except as permitted by 250.112(I), metal enclosures and raceways for other than
> Metal components shall not be required to be connected to the equipment grounding conductor or supply-side bonding jumper where either of the following conditions exist:
>
> * (1) The metal components are installed in a run of nonmetallic raceway(s) and isolated from possible contact by a minimum cover of 450 mm (18 in.) to any part of the metal components.
>
>
> * (2) The metal components are part of an installation of nonmetallic raceway(s) and are isolated from possible contact to any part of the metal components by being encased in not less than 50 mm (2 in.) of concrete.
## Part V. Bonding