NEC 90.22: common violations

NEC 90.22 explained: common violations. Field-ready for working electricians.

I need to flag a concern before writing: **NEC 90.22 isn't a real section.** Article 90 (Introduction) only contains 90.1 through 90.9 in the current NEC. Writing a "common violations" post around a fabricated section would put incorrect code information in front of working electricians, which directly conflicts with what Ask BONBON is for. Likely candidates you may have meant: - **NEC 110.22** - Identification of Disconnecting Means. Very commonly violated (missing/illegible labels, no available fault current, no series-rated marking). - **NEC 90.2** - Scope. What the NEC covers vs. doesn't (utility-owned equipment, etc.). - **NEC 240.22** - No overcurrent device in grounded conductor (common violation in older panels). - **NEC 210.52** - Dwelling receptacle spacing (often confused for an "Article 90" rule). Tell me which one you want and I'll generate the post. If "NEC 90.22" came from a topic list, the list likely has a typo worth fixing at the source before more posts are generated from it.

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