1、IEC 233 (1974 - 2nd edition) Test on hollow insulators for use in electrical equipment i + This Harmonization Document was .adopted by CENELEC on 1976-03-09- The National Electrotechnical Committees, members of CESELEC, in A : Austria B : Belgium CR : Sviteerlan D : Germany DK : Denmarlc F : Frame I
2、: : Italy IRL : Ireland 13 : Norway NL : Netherlands P : Portugal S : Sweden SF : Finland UK : United Kingdom Reference of the. re 1 evan t hational Harmonized Standards overleaf are obliged., in accordance with the CEhLELEC Internal Regulations, to implcnient this Harmonization Document in their re
3、spective country by . - 1ssuj.ng harmonized national ctandard(s) and/or - ifi tiidrawlng conf lic ting national standard ( s) Latest date o implcnentation : 1977-0I-Ol Vhere conf1.i ting non-harmoiii zed national. standards are pcrnii tted . to be retaiAicd for a transition period, This period expir
4、es 1978-01-01 CIE;S. Ro 66 n i3 CH D DR F 1 IRL N NL B S SF UK . . . . . . , . NR NOS NOS SP SP NOS NF C 66-081 (1978) CE1 36-.8 (1978) NOS NEN 14.74 NOS SEN 24 06 O0 (1975) NOS NOS No natianal standard corresponding to the Rarmonizakion Doc um n t SF Standard in preparation NR Si; a EU ar d wid. c r r e v i G i o n Alterntions from the previous edition of this cover sheet are underlined
