Skip to content
Please enter a keyword to search

  • BS 4999-105:1988

    View superseded by
    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
    View superseded by

    General requirements for rotating electrical machines Classification of degrees of protection provided by enclosures for rotating machinery

    Available format(s):  Hardcopy, PDF

    Superseded date:  15-06-2001

    Language(s):  English

    Published date:  31-05-1988

    Publisher:  British Standards Institution

    Add To Cart

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

    Brief history
    Technical text
    1. Scope
    2. Object
    3. Designation
    4. Degrees of protection - First characteristic numeral
    5. Degrees of protection - Second characteristic
        numeral
    6. Marking
    7. General requirements for tests
    8. Tests for first characteristic numeral
    9. Tests for second characteristic numeral
    10. Tests for weather-protected machines
    Figures
    Appendix A - Most frequently used degrees of protection
                 for electrical machines

    Abstract - (Show below) - (Hide below)

    Classifies types in respect of the degree of protection afforded to persons against contact with live parts and against ingress of solid foreign bodies and liquids. Gives test requirements appropriate to each category and examples of types of test equipment.

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

    Committee PEL/2
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    BS 5345-1:1989 Code of practice for selection, installation and maintenance of electrical apparatus for use in potentially explosive atmospheres (other than mining applications or explosive processing and manufacture) General recommendations
    BS 2501:1992 Specification for commercial refrigerated storage cabinets of the closed reach-in type
    BS 5000-16:1997 Rotating electrical machines of particular types or for particular applications Rotating electrical machines with type of protection \'N\'
    BS 1727:1987 Specification for motors for battery operated vehicles
    BS 4999-101:1987 General requirements for rotating electrical machines Specification for rating and performance
    BS 5000-3:1980 Specification for rotating electrical machines of particular types or for particular applications Generators to be driven by reciprocating internal combustion engines
    BS 5502-25:1991 Buildings and structures for agriculture Code of practice for design and installation of services and facilities
    BS 4999-109:1987 General requirements for rotating electrical machines Specification for noise levels, including test methods
    BS 6164:1990 Code of practice for safety in tunnelling in the construction industry
    View more information

    • Access your standards online with a subscription

      Features

      • Simple online access to standards, technical information and regulations
      • Critical updates of standards and customisable alerts and notifications
      • Multi - user online standards collection: secure, flexibile and cost effective