NEC CODE
- Thread starter sodear
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- Lockport, IL
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- Semi-Retired Electrical Engineer
Re: NEC CODE
Starting at Article 500, the NEC addresses the possibility that the area surrounding electrical equipment might present a fire or explosion hazard. The type of hazard is designated with the ?Classification.? Class I relates to flammable gases or vapors. Class II relates to combustible dust. Class III relates to easily ignitable fibers. For each ?Class,? there are two ?Divisions.? Division 1 generally refers to hazards that are present during normal operation of the facility. Division 2 generally refers to hazards that are not normally present, but that might become present during an infrequent malfunction or an abnormal operation.
Starting at Article 500, the NEC addresses the possibility that the area surrounding electrical equipment might present a fire or explosion hazard. The type of hazard is designated with the ?Classification.? Class I relates to flammable gases or vapors. Class II relates to combustible dust. Class III relates to easily ignitable fibers. For each ?Class,? there are two ?Divisions.? Division 1 generally refers to hazards that are present during normal operation of the facility. Division 2 generally refers to hazards that are not normally present, but that might become present during an infrequent malfunction or an abnormal operation.
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