British Standard: A Single Copy of This British Standard Is Licensed To
British Standard: A Single Copy of This British Standard Is Licensed To
12 December 2002
Cooperating organizations
Contents
                                                                                                                                                              Page
                                                                                                        Cooperating organizations                Inside front cover
                                                                                                        National foreword                                         ii
                                                                                                        Foreword                                                  2
                                                                                                        Text of EN 27286                                          3
                                                                                                        National appendix NA (informative)       Inside back cover
                                                                                                        National appendix NB (informative)       Inside back cover
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
                                                                                        © BSI 11-1999                                                              i
                                                                                        BS EN 27286:1992
National foreword
                                                                                                           This British Standard has been prepared under the direction of the Welding
                                                                                                           Standards Policy Committee and is the English language version of
                                                                                                           EN 27286:1991 “Graphical symbols for resistance welding equipment”, published
                                                                                                           by the European Committee for Standardization (CEN). It supersedes
                                                                                                           BS 7279:1990, which is withdrawn.
                                                                                                           EN 27286:1991 is identical with ISO 7286:1986 published by the International
                                                                                                           Organization for Standardization (ISO).
                                                                                                           A British Standard does not purport to include all the necessary provisions of a
                                                                                                           contract. Users of British Standards are responsible for their correct application.
                                                                                                           Compliance with a British Standard does not of itself confer immunity
                                                                                                           from legal obligations.
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
                                                                                                           Summary of pages
                                                                                                           This document comprises a front cover, an inside front cover, pages i and ii,
                                                                                                           the EN title page, pages 2 to 10, an inside back cover and a back cover.
                                                                                                           This standard has been updated (see copyright date) and may have had
                                                                                                           amendments incorporated. This will be indicated in the amendment table on the
                                                                                                           inside front cover.
                                                                                        ii                                                                                        © BSI 11-1999
                                                                                        EUROPEAN STANDARD                                                             EN 27286
                                                                                        NORME EUROPÉENNE
                                                                                                                                                                      November 1991
                                                                                        EUROPÄISCHE NORM
UDC 621.791.76.03:003.6(084)
English version
(ISO 7286:1986)
                                                                                                                                                   CEN
                                                                                                                               European Committee for Standardization
                                                                                                                                 Comité Européen de Normalisation
                                                                                                                                 Europäisches Komitee für Normung
                                                                                                                   Central Secretariat: rue de Stassart 36, B-1050 Brussels
                                                                                        Foreword                                            Contents
                                                                                        In 1989, ISO 7286:1986 was submitted to CEN
                                                                                                                                                                                           Page
                                                                                        Primary Questionnaire procedure.
                                                                                                                                            Foreword                                          2
                                                                                        Following the positive result of the Primary
                                                                                        Questionnaire, the CEN Technical Bureau agreed to   0    Introduction                                 3
                                                                                        submit ISO 7286:1986, without modifications, to     1    Scope and field of application               3
                                                                                        Formal Vote.                                        2    References                                   3
                                                                                        In accordance with the Common CEN/CENELEC           3    English alphabetical index                   4
                                                                                        Rules, the following countries are bound to
                                                                                                                                            4    Synopsis                                     6
                                                                                        implement this European Standard:
                                                                                                                                            Annex Examples of the use of symbols
                                                                                        Austria, Belgium, Denmark, Finland, France,
                                                                                                                                            on an operating board for a control system       10
                                                                                        Germany, Greece, Iceland, Ireland, Italy,
                                                                                        Luxembourg, Netherlands, Norway, Portugal,
                                                                                        Spain, Sweden, Switzerland and United Kingdom.
                                                                                        Endorsement notice
                                                                                        The text of the International Standard
                                                                                        ISO 7286:1986 was approved by CEN as a European
                                                                                        Standard without any modification.
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
                                                                                        2                                                                                           © BSI 11-1999
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
 © BSI 11-1999
 3
                                                                                        EN 27286:1991
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
4
                                                                                        EN 27286:1991
 © BSI 11-1999
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
 © BSI 11-1999
 5
                                                                                        EN 27286:1991
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
6
                                                                                        EN 27286:1991
 © BSI 11-1999
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
 © BSI 11-1999
 7
                                                                                        EN 27286:1991
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
8
                                                                                        EN 27286:1991
 © BSI 11-1999
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
 © BSI 11-1999
 9
                                                                                        EN 27286:1991
Licensed Copy: Akin Koksal, Bechtel Ltd, 12 December 2002, Uncontrolled Copy, (c) BSI
10
                                                                                        EN 27286:1991
 © BSI 11-1999
                                                                                                                                                                                           BS EN 27286:1992
                                                                                        1) Where no identical or technically equivalent British Standard exists, the user is directed to the relevant European or
                                                                                        International Standard, copies of which may be obtained from BSI Sales, Linford Wood, Milton Keynes MK14 6LE,
                                                                                        telephone 0908 220022, telex 825777 BSIMK G or facsimile 0908 322484 (all other fax enquires should be sent to 0908 320856).
                                                                                        © BSI 11-1999
                                                                                        BS EN
                                                                                        27286:1992
                                                                                        ISO 7286:1986            BSI — British Standards Institution
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