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  • NFPA 493 : 1978

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    INTRINSICALLY SAFE APPARATUS IN DIVISION HAZARDOUS LOCATIONS

    Available format(s): 

    Withdrawn date:  22-07-2013

    Language(s): 

    Published date:  12-01-2013

    Publisher:  National Fire Protection Association

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    Document Type Standard
    Publisher National Fire Protection Association
    Status Withdrawn

    Standards Referenced By This Book - (Show below) - (Hide below)

    API 500B : 88 ERRATA RECOMMENDED PRACTICE FOR CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT DRILLING RIGS & PRODUCTION FACILITIES ON LAND & ON MARINE FIXED & MOBILE PLATFORMS
    API 500A : 4ED 82(R1987) CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS IN PETROLEUM REFINERIES
    API MPM CH5.5 : 2005(R2015) MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 5 - METERING - SECTION 5 - FIDELITY AND SECURITY OF FLOW MEASUREMENT PULSED-DATA TRANSMISSION SYSTEMS
    API MPM CH5.5:2005 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 5 - METERING - SECTION 5 - FIDELITY AND SECURITY OF FLOW MEASUREMENT PULSED-DATA TRANSMISSION SYSTEMS
    NFPA 651 : 1998 MACHINING AND FINISHING OF ALUMINUM AND THE PRODUCTION AND HANDLING ALUMINUM POWDERS
    ISA 51.1 : 1979 PROCESS INSTRUMENTATION TERMINOLOGY
    ISA RP60.4 : 1990 DOCUMENTATION FOR CONTROL CENTERS
    API 500C : 2ED 84(R1990) CLASSIFICATION OF LOCATIONS FOR ELECTRICAL INSTALLATIONS AT PIPELINE TRANSPORTATION FACILITIES
    API MPM CH5.5 SPANISH : 2005 Manual of Petroleum Measurement Standards Chapter 5 - Metering Section 5 - Fidelity and Security of Flow Measurement Pulsed-Data Transmission Systems
    API 552 : 1994 TRANSMISSION SYSTEMS
    API 554-2 : 2008 : R2016 PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN
    NASA KSC STD 164 : 1992 ENVIRONMENTAL TEST METHODS FOR GROUND SUPPORT EQUIPMENT, STANDARD FOR
    API MPM CH5.5 : 2005 : R2010 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 5 - METERING - SECTION 5 - FIDELITY AND SECURITY OF FLOW MEASUREMENT PULSED-DATA TRANSMISSION SYSTEMS
    API 554-2 : 2008 PROCESS CONTROL SYSTEMS - PROCESS CONTROL SYSTEM DESIGN
    NFPA 61A : 1989 PREVENTION OF FIRE AND DUST EXPLOSIONS IN FACILITIES MANUFACTURING AND HANDLING STARCH

    Standards Referencing This Book - (Show below) - (Hide below)

    IEC 60079-3:1990 Electrical apparatus for explosive gas atmospheres - Part 3: Spark-test apparatus for intrinsically-safe circuits
    NFPA 70 : 2017 NATIONAL ELECTRICAL CODE
    ANSI C39.5 : 1974 SAFETY REQUIREMENTS FOR ELECTRICAL AND ELECTRONIC MEASURING AND CONTROLLING INSTRUMENTATION
    ISA RP12.06.01 : 2003 RECOMMENDED PRACTICE FOR WIRING METHODS FOR HAZARDOUS (CLASSIFIED) LOCATIONS INSTRUMENTATION - PART 1: INTRINSIC SAFETY
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