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ASME Y14.5.2-2000 ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES CERTIFICATION OF GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONALS

ASME Y14.5.2-2000 ENGINEERING DRAWING AND RELATED DOCUMENTATION PRACTICES CERTIFICATION OF GEOMETRIC DIMENSIONING AND TOLERANCING PROFESSIONALS1.1 sCOPEThis Standard establishes certification requirementsfor a Geometric Dimensioning and Tolerancing P...

2022-10-21 52 3.56MB 22页
ASME B16.34-2004 VALVES-FLANGED,THREADED,AND WELDING END

ASME B16.34-2004 VALVES -FLANGED,THREADED,AND WELDING END1 sCOPE1.1 GeneralThis Standard applies to new construction and coverspressure-temperature ratings, dimensions, tolerances,materials, nondestructive examination requirements,testing, and markin...

2022-10-21 50 20.79MB 206页
IEC 34-15:1995 ROTATING ELECTRICAL MACHINES-Part 15:Impulse voltage withstand levels of rotating a.c.machines with form-wound stator coils

IEC 34-15:1995 ROTATING ELECTRICAL MACHINES -Part 15: Impulse voltage withstand levels of rotating a.c. machines with form-wound stator coils1scopeThis part of lEC 34 specifies the rated phase-to-earth impulse voltage withstand levelsof rotating a.c....

2022-10-21 68 3.66MB 22页
IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16:Artificial ventilation for the protection of analyzer(s)houses

IEC 79-16:1990 ELECTRICAL APPARATUS FOR EXPLOSIVE GAS ATMOSPHERES Part 16: Artificial ventilation for the protection of analyzer(s) houses1. Scope1.1 Thisreportprovidesthe general principles ofprotection,byartificial ventilation,ofanalyzer(s) houses ...

2022-10-21 85 10.22MB 63页
IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2:Dimensional compatibility requirements for pin and contact-tube accessories

IEC 60309-2:2021 PLUGS,FIXED OR PORTABLE SOCKET-OUTLETS ANDAPPLIANCE INLETS FOR INDUSTRIAL PURPOSES-Part 2: Dimensional compatibility requirements for pin and contact-tube accessories1 scopeThis document applies to plugs，fixed or portable socket-outl...

2022-10-21 212 17.22MB 154页
IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES-Part 2-3:Appliance couplers with a degree of protection higher than lPXO

IEC 60320-2-3:2018 APPLIANCE cOUPLERS FOR HoUSEHOLD AND SIMILAR GENERAL PURPOSES -Part 2-3: Appliance couplers with a degree of protection higher than lPXO1 SCOPEThis clause of lEC 60320-1 applies with the following addition:This document applies to ...

2022-10-21 75 6.83MB 40页
IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS-Part 1:Fundamental principles,assessment of general characteristics,definitions

IEC 60364-1:2005 Low-vOLTAGE ELECTRICAL INSTALLATIONS -Part 1: Fundamental principles, assessment of general characteristics, definitions11 scope 1IEC 60364-1 gives the rules for the design, erection, and verification of electrical installations.The ...

2022-10-21 123 10.17MB 102页
IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1:overview and application

IEC 60417-1:2000 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT-Part 1: overview and application1 scopeThis part of lEC 60417 contains graphical symbols and their meaning (title and application).The graphical symbols in the standard are primarily intended.to...

2022-10-21 258 28.4MB 188页
IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV(Um=1,2 kV)UP TO 30 kV(um=36 kV)-Part 2:Cables for rated voltages from 6 kV(Um=7,2 kV)up to 30 kV(Um=36 kV)

IEC 60502-2:2005 PoWER CABLES wITH EXTRUDED INSULATIONAND THEIR ACCESSORIES FOR RATED VOLTAGESFROM 1 kV (Um=1,2 kV) UP TO 30 kV (um= 36 kV) -Part 2: Cables for rated voltages from 6 kV(Um = 7,2 kV) up to 30 kV (Um = 36 kV)1 ScopeThis part of lEC 6050...

2022-10-21 200 19.8MB 166页
IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES(Code)

IEC 529:1989 DEGREES OF PROTECTION PROVIDED BY ENCLOSURES (Code)INTRODUCTIONThis standard describes a system for classifying the degrees of protection provided by theenclosures of electrical equipment. Whilst this system is suitable for use with most...

2022-10-21 277 13.2MB 80页
IEC 60617-2:1996 Graphical symbols for diagrams-Part 2:Symbol elements,qualifying symbols and other symbols having general application

IEC 617-2:1996 Graphical symbols for diagrams -Part 2:Symbol elements, qualifying symbols and other symbols having general applicationThe scope and the normative references for this series are given in lEC 617-1.Symbols have been designed in accordan...

2022-10-21 118 7.49MB 44页
IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4:Ancillary equipment-PCB terminal blocks for copper conductors

IEC 60947-7-4:2013 Low-vOLTAGE sWITCHGEAR AND CONTROLGEAR-Part 7-4: Ancillary equipment-PCB terminal blocks for copper conductors1 General1.1ScopeThis part of lEC 60947 specifies requirements for PCB terminal blocks primarily intended forindustrial o...

2022-10-21 63 7.36MB 64页
IEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT-SAFETY-Part 22:Equipment to be installed outdoors

lEC 60950-22:2016 INFORMATION TECHNOLOGY EQUIPMENT -SAFETY-Part 22: Equipment to be installed outdoorsScope1.1Equipment coveredThis part of lEC 60950 applies to information technology equipment intended to be installed inan oUTDOOR LOCATION.The requi...

2022-10-21 144 27.88MB 66页
IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY(EMC)-Part 4-29:Testing and measurement techniques-Voltage dips,short interruptions and voltage variations on d.c.input power port immunity tests

IEC 61000-4-29:2000 ELECTROMAGNETIC COMPATIBILITY (EMC)-Part 4-29: Testing and measurement techniques -Voltage dips, short interruptions and voltage variations on d.c. input power port immunity tests1 Scope and objectThis part of lEC 61000 defines te...

2022-10-21 73 4.57MB 45页
IEC 61131-1:2003(E)PROGRAMMABLE CONTROLLERS-Part 1:General information

IEC 61131-1:2003(E) PROGRAMMABLE CONTROLLERS -Part 1: General information1ScopeThis Part of lEC 61131 applies to programmable controllers(PLC) and their associated peri-pherals such as programming and debugging tools (PADTs)， human-machine interfaces...

2022-10-21 112 2.29MB 25页
IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES-Part 2:Power switchgear and controlgear assemblies

IEC 61439-2:2009 Low-vOLTAGE swITCHGEAR ANDcONTROLGEAR ASSEMBLIES -Part 2: Power switchgear and controlgear assemblies1 ScopeThis clause of Part 1 is applicable except as follows.Addition:This standard defines the specific requirements of power switc...

2022-10-21 190 4.84MB 48页
IEC 61508-7:2000 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS-Part 7:Overview of techniques and measures

IEC 61508-7:2000 FUNCTIONAL SAFETY OF ELECTRICAL/ELECTRONIC/PROGRAMMABLE ELECTRONIC SAFETY-RELATED SYSTEMS -Part 7: Overview of techniques and measures1scope1.1This part of lEC 61508 contains an overview of various safety techniques and measuresrelev...

2022-10-21 214 35.74MB 238页
IEC 61511-2:2003(E)FUNCTIONAL SAFETY-SAFETY INSTRUMENTED sYSTEMSFOR THE PROCESS INDUSTRY SECTOR-Part 2:Guidelines for the application of IEC 61511-1

IEC 61511-2:2003(E) FUNCTIONAL SAFETY-SAFETY INSTRUMENTED sYSTEMSFOR THE PROCESS INDUSTRY SECTOR-Part 2: Guidelines for the application of IEC 61511-1ScopeIEC 61511-2 provides guidance on the specification，design，installation，operation andmaintenance...

2022-10-21 66 14.58MB 78页
IEC TS 61850-2:2003(E)cOMMUNICATION NETWORKS AND sYSTEMS INSUBSTATIONS-Part 2:Glossary

IEC TS 61850-2:2003(E) cOMMUNICATION NETWORKS AND sYSTEMSINSUBSTATIONS -Part 2: Glossary1 ScopeThis part of the lEC 61850 series applies to Substation Automation Systems(SAS). lt definesthe communication between intelligent electronic devices (IEDs) ...

2022-10-21 77 5.59MB 47页
IEC 61851-22:2001 ELECTRIC VEHICLE CONDUCTIVE CHARGING sYSTEM-Part 22:AC electric vehicle charging station

IEC 61851-22:2001 ELECTRIC VEHICLE CONDUCTIVE CHARGING sYSTEM-Part 22: AC electric vehicle charging station1 ScopeThis part of lEC 61851，together with part 1 , gives the requirements for a.c. electric vehiclecharging stations for conductive connectio...

2022-10-21 265 8.16MB 50页

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