In a chemical plant, the installation of electrical equipment in a hazardous (h) location requires adherence to certain NEC provisions. According to the 2026 NFPA 70 NEC, which article covers the installation of electrical equipment in hazardous (h) locations?
- AArticle 501
- BArticle 502
- CArticle 503
- Article 505
Exam tip
Distinguish between different hazardous locations and the corresponding NEC articles.
Why D is correct
The correct answer is Article 505, as per the 2026 NFPA 70 NEC, which specifically addresses the installation of electrical equipment in hazardous (h) locations.
