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NEC 2023, Article 517 Medical locations — translation

NEC Article 517: patient care categories, group 2 IT systems (517.19), essential electrical system (517.30).

🇷🇺 PUE — Rules for Electrical Installations (7th ed.)🕰️ PUE-6 — Rules for Electrical Installations (6th ed., 1985)🇺🇸 NEC — National Electrical Code (NFPA 70)🇪🇺 IEC 60364 / HD 60364 (EU national codes)🌎 NOM-001-SEDE, NBR 5410, AEA 90364, RETIE, NCh 4, CNE🇨🇳 GB 50054, GB 50303, JGJ 16, GB/T 16895 (IEC 60364)🇮🇳 IS 732

Document

DocumentNEC 2023, Article 517 Medical locations
Edition2023
StatusCurrent (latest NEC edition)
Issued byNFPA
Applies toUS medical locations: groups 1/2, IT systems, essential sources

Document structure

№Chapter / section
517.2–517.20Definitions, categories
517.19Group 2 IT systems
517.30–517.40Essential sources, emergency lighting
NEC 2023, Article 210 Branch CircuitsNEC 2023, Article 250 Grounding and BondingNEC 2023, Articles 300 (wiring) and 310 (conductors)NEC 2023, Article 230 ServicesNEC 2023, Article 240 Overcurrent ProtectionNEC 2023, Article 625 EV ChargingNEC 2023, Article 110 General requirementsNEC 2023, Article 220 Load calculationsNEC 2023, Article 517 Medical locationsNEC 2023, Article 500 Hazardous locations

Categories (517.2)

Patient care areas: categories 1–3; groups 1 (wards) and 2 (operating theatres, ICU).

IT systems (517.19)

Group 2 via isolated (IT) systems with insulation monitoring; ≥ 2 identified socket circuits; GFCI except life-support circuits (517.21).

Essential sources (517.30–517.40)

Generator with ≤ 10 s transfer; emergency lighting ≥ 90 minutes.

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Data is for reference. Final design decisions must follow current regulations and a qualified engineer.
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