Specifies requirements for the construction and performance of ceramic or glass station post insulators. It is to be read in conjunction with Part 2: Tests. It is based on and reproduced from IEC 273:1990 with the addition of an Appendix giving Australian variations.RECONFIRMATION NOTICETechnical Committee EL-010 has reviewed the content of this publication and in accordance with Standards Australia procedures for reconfirmation, it has been determined that the publication is still valid and does not require change.Certain documents referenced in the publication may have been amended since the original date of publication. Users are advised to ensure that they are using the latest versions of such documents as appropriate, unless advised otherwise in this Reconfirmation Notice.Approved for reconfirmation in accordance with Standards Australia procedures for reconfirmation on 18 November 2015.The following are represented on Technical Committee EL-010:Australian Industry GroupElectricity Engineers Association (New Zealand)Energy Networks Association