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1、ApprovalStandardforElectricEquipmentforuseinHazardous(Classified)LocationsGeneralRequirementsClassNumber3600November1998©2002FMApprovalsLLC.Allrightsreserved.ForewordTheFMApprovalscertificationmarkisintendedtoverifythattheproductsandservicesdescribedwillmeetFMApprova
2、ls’statedconditionsofperformance,safetyandqualityusefultotheendsofpropertyconservation.ThepurposeofApprovalStandardsistopresentthecriteriaforFMApprovalofvarioustypesofproductsandservices,asguidanceforFMApprovalspersonnel,manufacturers,usersandauthoritieshavingjurisdi
3、ction.ProductssubmittedforcertificationbyFMApprovalsshalldemonstratethattheymeettheintentoftheApprovalStandard,andthatqualitycontrolinmanufacturingshallensureaconsistentlyuniformandreliableproduct.ApprovalStandardsstrivetobeperformance-oriented.Theyareintendedtofacil
4、itatetechnologicaldevelopment.Forexaminingequipment,materialsandservices,ApprovalStandards:a)mustbeusefultotheendsofpropertyconservationbypreventing,limitingornotcausingdamageundertheconditionsstatedbytheApprovallisting;andb)mustbereadilyidentifiable.ContinuanceofApp
5、rovalandlistingdependsoncompliancewiththeApprovalAgreement,satisfactoryperformanceinthefield,onsuccessfulre-examinationsofequipment,materials,andservicesasappropriate,andonperiodicfollow-upauditsofthemanufacturingfacility.FMApprovalsLLCreservestherightinitssolejudgme
6、nttochangeorreviseitsstandards,criteria,methods,orprocedures.TABLEOFCONTENTS1.0INTRODUCTION.....................................................................................................................................................................11.1Purpose
7、..............................................................................................................................................................................11.2Scope....................................................................................
8、.............................................................................................11.3BasisforFMApproval................