Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
electrical code article
|
| gptkbp:appliesTo |
electrical installations in hazardous locations
|
| gptkbp:basisFor |
Articles 501-504
|
| gptkbp:citation |
insurance requirements
OSHA regulations |
| gptkbp:class |
Class/Division system
|
| gptkbp:covers |
hazardous (classified) locations
|
| gptkbp:defines |
gptkb:Division_1
gptkb:Division_2 Class I locations Class II locations Class III locations |
| gptkbp:firstPublished |
1947
|
| https://www.w3.org/2000/01/rdf-schema#label |
NFPA 70 (NEC) Article 500
|
| gptkbp:location |
combustible dusts
flammable gases or vapors ignitable fibers or flyings |
| gptkbp:partOf |
gptkb:NFPA_70_(National_Electrical_Code)
|
| gptkbp:provides |
protection techniques for hazardous locations
requirements for equipment in hazardous locations wiring methods for hazardous locations |
| gptkbp:publishedBy |
gptkb:National_Fire_Protection_Association
|
| gptkbp:replacedBy |
Zone system in some cases (Articles 505, 506)
|
| gptkbp:requires |
approved equipment
proper sealing and protection special wiring methods |
| gptkbp:standardizedBy |
gptkb:ANSI/NFPA_70
|
| gptkbp:updated |
every NEC revision cycle
|
| gptkbp:usedBy |
contractors
inspectors electrical engineers |
| gptkbp:bfsParent |
gptkb:IEC_60079
|
| gptkbp:bfsLayer |
7
|