• BS EN 60950 : 2000

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    SAFETY OF INFORMATION TECHNOLOGY EQUIPMENT

    Available format(s):  Hardcopy, PDF

    Superseded date:  22-02-2002

    Language(s):  English

    Published date:  01-01-2000

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    INTRODUCTION
    0 Principles of safety
          0.1 General principles of safety
          0.2 Hazards
          0.3 Materials and components
    1 General
          1.1 Scope
          1.2 Definitions
          1.3 General requirements
          1.4 General conditions for tests
          1.5 Components
          1.6 Power interface
          1.7 Markings and instructions
    2 Protection from hazards
          2.1 Protection from electric shock and energy
                 hazards
          2.2 SELV circuits
          2.3 TNV circuits
          2.4 Limited current circuits
          2.5 Limited power sources
          2.6 Provisions for earthing and bonding
          2.7 Overcurrent and earth fault protection in
                 primary circuits
          2.8 Safety interlocks
          2.9 Electrical insulation
          2.10 Clearances, creepage distances and distances
                 through insulation
    3 Wiring, connections and supply
          3.1 General
          3.2 Connection to a.c. mains supplies
          3.3 Wiring terminals for connection of external
                 conductors
          3.4 Disconnection from the a.c. mains supply
          3.5 Interconnection of equipment
    4 Physical requirements
          4.1 Stability
          4.2 Mechanical strength
          4.3 Design and construction
          4.4 Protection against hazardous moving parts
          4.5 Thermal requirements
          4.6 Openings in enclosures
          4.7 Resistance to fire
    5 Electrical requirements and simulated abnormal
          conditions
          5.1 Touch current and protective conductor current
          5.2 Electric strength
          5.3 Abnormal operating and fault conditions
    6 Connection to telecommunication networks
          6.1 Protection of telecommunication network service
                 personnel, and users of other equipment
                 connected to the network, from hazards in the
                 equipment
          6.2 Protection of equipment users from overvoltages
                 on telecommunication networks
          6.3 Protection of the telecommunication wiring
                 system from overheating
    Annex A (normative) Tests for resistance to heat and fire
    Annex B (normative) Motor tests under abnormal conditions
                        (see 4.7.2.2 and 5.3.2)
    Annex C (normative) Transformers (see 1.5.4 and 5.3.3)
    Annex D (normative) Measuring instruments for touch-current
                        tests (see 5.1.4)
    Annex E (normative) Temperature rise of a winding (see 1.4.13
                        and 4.5.1)
    Annex F (normative) Measurement of clearances and creepage
                        distances (see 2.10)
    Annex G (normative) Alternative method for determining
                        minimum clearances
    Annex H (normative) Ionizing radiation (see 4.3.13)
    Annex J (normative) Table of electrochemical potentials (see
                        2.6.5.6)
    Annex K (normative) Thermal controls (see 1.5.3 and 5.3.7)
    Annex L (normative) Normal load conditions for some types of
                        electrical business equipment (see
                        1.2.2.1 and 4.5.1)
    Annex M (normative) Criteria for telephone ringing signals
                        (see 2.3.1)
    Annex N (normative) Impulse test generators (see 2.10.3.4,
                        6.2.2.1 and G.5)
    Annex P (normative) Normative references
    Annex Q (informative) Bibliography
    Annex R (informative) Examples of requirements for quality
                          control programs
    Annex S (informative) Procedure for impulse testing (see
                          6.2.2.3)
    Annex T (informative) Guidance on protection against ingress
                          of water (see 1.1.2)
    Annex U (normative) Insulated winding wires for use without
                        interleaved insulation (see 2.10.5.4)
    Annex V (normative) AC power distribution systems (see 1.6.1)
    Annex W (informative) Summation of touch currents
    Annex X (informative) Maximum heating effect in transformer
                          tests (see C.1)
    Annex ZA (normative) Normative references to international
                         publications with their relevant
                         European publications
    Annex ZB (normative) Special national conditions
    Annex ZC (informative) A-deviations
    Index
    Figures
    Tables

    Abstract - (Show below) - (Hide below)

    Defines designers with an appreciation of the underlying principles of safety requirements needed to deal with various potential hazards.

    General Product Information - (Show below) - (Hide below)

    Committee EPL/108
    Development Note The 2000 version supersedes BS EN 60950:1992 (07/2000) Supersedes 95/208685 DC (07/2002)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS PAS 019(1997) : 1997
    02/540552 DC : DRAFT JUN 2002 BS 5446-2 - FIRE DETECTION AND FIRE ALARM DEVICES FOR DWELLINGS - PART 2: SPECIFICATION FOR HEAT ALARMS
    BS EN 61187:1996 Electrical and electronic measuring equipment. Documentation
    08/30136724 DC : DRAFT MAY 2008 BS 6739 - CODE OF PRACTICE FOR INSTRUMENTATION IN PROCESS CONTROL SYSTEMS - INSTALLATION DESIGN AND PRACTICE
    BS 6396(2008) : 2008 ELECTRICAL SYSTEMS IN OFFICE FURNITURE AND EDUCATIONAL FURNITURE - SPECIFICATION
    BS 6396:2008+A1:2015 Electrical systems in office furniture and educational furniture. Specification
    BS 6396:2002 (published 2002-09) Electrical systems in office furniture and office screens. Specification
    BS 7860(1996) : 1996 SPECIFICATION FOR CARBON MONOXIDE DETECTORS (ELECTRICAL) FOR DOMESTIC USE
    08/30177004 DC : DRAFT JULY 2008 BS 6396 - ELECTRICAL SYSTEMS IN OFFICE FURNITURE AND OFFICE SCREENS - SPECIFICATION

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    IEC 60112:2003+AMD1:2009 CSV Method for the determination of the proof and the comparative tracking indices of solid insulating materials
    IEC 60384-14:2013+AMD1:2016 CSV Fixed capacitors for use in electronic equipment - Part 14: Sectional specification - Fixed capacitors for electromagnetic interference suppression and connection to the supply mains
    EN 60825-1:2014/AC:2017-06 SAFETY OF LASER PRODUCTS - PART 1: EQUIPMENT CLASSIFICATION AND REQUIREMENTS (IEC 60825-1:2014)
    IEC 60417-1:2002 Graphical symbols for use on equipment - Part 1: Overview and application
    HD 214 : 200S2 RECOMMENDED METHOD FOR DETERMINING THE COMPARATIVE TRACKING INDEX OF SOLID INSULATING MATERIALS UNDER MOIST CONDITIONS
    EN 60065:2014/AC:2017-01 AUDIO, VIDEO AND SIMILAR ELECTRONIC APPARATUS - SAFETY REQUIREMENTS (IEC 60065:2014/COR2:2016)
    IEC 60050-195:1998 International Electrotechnical Vocabulary (IEV) - Part 195: Earthing and protection against electric shock
    HD 384.4.41 S2:1996/A1:2002 ELECTRICAL INSTALLATIONS OF BUILDINGS - PART 4: PROTECTION FOR SAFETY - CHAPTER 41: PROTECTION AGAINST ELECTRIC SHOCK
    IEC 60364-4-41:2005+AMD1:2017 CSV Low voltage electrical installations - Part 4-41: Protection for safety - Protection against electric shock
    IEC 60073:2002 Basic and safety principles for man-machine interface, marking and identification - Coding principles for indicators and actuators
    EN 60073:2002 Basic and safety principles for man-machine interface, marking and identification - Coding principles for indicators and actuators
    IEC 60050-151:2001 International Electrotechnical Vocabulary (IEV) - Part 151: Electrical and magnetic devices
    HD 625.1 : 200S1 INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS - PRINCIPLES, REQUIREMENTS AND TESTS
    EN 60417-1:2002 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - PART 1: OVERVIEW AND APPLICATION
    IEC 60825-1:2014 Safety of laser products - Part 1: Equipment classification and requirements
    IEC 60885-1:1987 Electrical test methods for electric cables. Part 1: Electrical tests for cables, cords and wires for voltages up to and including 450/750 V
    IEC 60695-2-11:2014 Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products (GWEPT)
    EN 60417-2:1999 GRAPHICAL SYMBOLS FOR USE ON EQUIPMENT - PART 2: SYMBOL ORIGINALS
    IEC 60851-6:2012 Winding wires - Test methods - Part 6: Thermal properties
    IEC 60851-5:2008+AMD1:2011 CSV Winding wires - Test methods - Part 5: Electrical properties
    IEC 60085:2007 Electrical insulation - Thermal evaluation and designation
    ISO 262:1998 ISO general purpose metric screw threads Selected sizes for screws, bolts and nuts
    EN 60851-6:2012 Winding wires - Test methods - Part 6: Thermal properties
    HD 566 : 200S1 THERMAL EVALUATION AND CLASSIFICATION OF ELECTRICAL INSULATION
    IEC 61058-1:2016 Switches for appliances - Part 1: General requirements
    IEC 60417-2:1998 Graphical symbols for use on equipment - Part 2: Symbol originals
    IEC 60364-3:1993 Electrical installations of buildings - Part 3: Assessment of general characteristics
    IEC 60851-3:2009+AMD1:2013 CSV Winding wires - Test methods - Part 3: Mechanical properties
    ISO 4046:1978 Paper, board, pulp and related terms Vocabulary
    ISO 261:1998 ISO general purpose metric screw threads General plan
    ISO 7000:2014 Graphical symbols for use on equipment Registered symbols
    HD 384.3 : 200S2 ELECTRICAL INSTALLATIONS OF BUILDINGS - ASSESSMENT OF GENERAL CHARACTERISTICS
    ISO 3864:1984 Safety colours and safety signs
    IEC 60664-1:2007 Insulation coordination for equipment within low-voltage systems - Part 1: Principles, requirements and tests
    EN 60695-2-2:1994/A1:1995 FIRE HAZARD TESTING - TEST METHODS - NEEDLE-FLAME TEST
    EN 60851-5:2008/A1:2011 WINDING WIRES - TEST METHODS - PART 5: ELECTRICAL PROPERTIES (IEC 60851-5:2008)
    IEC 60990:2016 Methods of measurement of touch current and protective conductor current
    EN 60730-1:2016 AUTOMATIC ELECTRICAL CONTROLS - PART 1: GENERAL REQUIREMENTS (IEC 60730-1:2013, MODIFIED + COR1:2014)
    IEC 60730-1:2013+AMD1:2015 CSV Automatic electrical controls - Part 1: General requirements
    EN 60990:2016 METHODS OF MEASUREMENT OF TOUCH CURRENT AND PROTECTIVE CONDUCTOR CURRENT (IEC 60990:2016)
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