1、 STD-BSI BS EN b578-2-4-ENGL 1778 W 1b24bb7 b78415 TTL BRITISH STANDARD Luminaires Part 2. Particular requirements Section 2.4 Portable general purpose luminaires The European Standard EN 60598-2-4 : 1997 has the status of a British Standard ICs 29.140.40 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS
2、PERMITTED BY COPYRIGHT LAW BS EN 60598-2-4 : 1998 STD.BSI BS EN b0578-2-q-ENGL 1778 1b2qbbS Ob9Lb 738 M BS EN 60598-2-4 : 1998 National foreword This British Standard is the English language version of EN 60598-2-4 : 1997. It is identical with IEC 60598-24 : 1997. It supersedes BS 4533 : Part 102 :
3、Section 102.4 : 1990 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee CPW4, Luminaires, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible hternationaEuropean committee any enquiries on the interpretati
4、on, or proposals for change, and keep the UK interests informed; - monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have
5、the number 60000 added to the old number. For instance, JEC 27-1 has been renumbered as IEC 60027-1. For a period of time during the change over from one numbering system to the other, publications may con 2) for portable luminaires with a mass less than 1 kg, a rated current not exceeding 2,5 A and
6、 provided with a flexible cable of length not greater than 2 m, the cable shall have a nominal cross-sectional area of copper conductor not less than 0,5 mm2. 4.1 1 Protection against electric shock The provisions of section 8 of IEC 60598-1 apply, together with the requirements of 4.1 1.1. 4.1 1.1
7、Portable Class I luminaires incorporating larnpholders for bayonet cap lamps shall either 1) be so designed that the lamp cap is not accessible to the standard test finger when the luminaire is assembled as in normal use, or 2) be provided with a metal lampholder which is earthed. Compliance shall b
8、e checked by inspection and, in addition, for Item 1) by a test with the standard test finger shown in IEC 60529. 4.12 Endurance tests and thermal tests The provisions of section 12 of IEC 60598-1 apply. Luminaires with an IP classification greater than IP20 shall be subjected to the relevant tests
9、of 12.4, 12.5 and 12.6 of section 12 of IEC 60598-1 after the test(s) of 9.2 but before the test(c) of 9.3 of section 9 of IEC 60598-1 specified in 4.13 of this section of IEC 60598-2. Portable luminaires designed for standing on a floor, and pendants, are supported during the test as in normal use.
10、 Portable luminaires designed for standing on a table, and adjustable luminaires, are tested on or above a dull black painted board similar to that described in annex D of IEC 60598-1. In addition, for portable luminaires designed for standing on a floor or table which overturn when placed in their
11、normal position of use on a plane inclined at an angle of 15“ to the horizontal, the test of 12.5.1 of section 12 of IEC 60598-1 is made with the luminaire on a horizontal surface, in the most unfavourable of the overturned positions that may reasonably be expected in practice. 4.13 Resistance to du
12、st and moisture The provisions of section 9 of IEC 60598-1 apply. For luminaires with an IP classification greater than IP20, the order of the tests specified in section 9 of IEC 60598-1 shall be as specified in 4.12 of this section of IEC 60598-2. Page 7 EN 60598-2-4 : 1997 4.14 Insulation resistan
13、ce and electric strength The provisions of section 10 of IEC 60598-1 apply. 4.15 Resistance to heat, fire and tracking The provisions of section 13 of IEC 60598-1 apply. STD-BSI BS EN 60578-2-4-ENGL 1778 Lb24bb7 Ob78424 TOLi m Page 8 EN 60598-2-4 : 1997 Annex ZA (normative) Normative references to i
14、nternational publications with their corresponding European publications This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For da
15、ted references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments). NOTE: When an internation
16、al publication has been modified by common modifications, indicated by (modi, the relevant ENIHD applies. Year Title EN/HD - Year Publication - IEC 60529 1989 Degrees of protection provided by EN 60529 1991 enclosures (IP Code) + corr. May 1993 BSEN 60598-2-4 : 1998 BSI 389 Chiswick High Road London
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