
Indexed GIES field reference for article lookup, bookmarks, and local notes. Full NEC text is not bundled.
This section is an index and note layer only. Use your licensed 2020 NFPA 70 / NEC book, NFPA LiNK access, or AHJ-published adopted code source for exact enforceable text. Do not treat this page as the full code.
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Short GIES field cards are grouped directly in the code tab below. Use the full cards when you need the detailed bullet list, exceptions, and gotchas.
Open Full Quick Card LibraryLegacy Common CardsHazardous location classification system and general Class/Division/Zone structure.
Keywords: hazardous location, classified, Class I, Division, Zone
Related: 501, 502, 503, 504, 505, 506
Flammable gas/vapor Class I wiring methods and equipment.
Keywords: Class I, explosionproof, sealoff, gas vapor
Related: 500, 504, 505
Gas station/fuel dispenser wiring and classified location references.
Keywords: gas station, fuel dispenser, service station
Related: 500, 501