SN EN 62155 : 2003

1 Scope and object<br>&nbsp;&nbsp;&nbsp;1.1 General<br>&nbsp;&nbsp;&nbsp;1.2 Hollow insulators or hollow insulator bodies <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;intended for general use<br>&nbsp;&nbsp;&nbsp;1.3 Ceramic hollow insulators intended for use with <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;permanent gas pressure<br>2 Normative references<br>3 Terms and definitions<br>4 Insulating materials<br>5 General recommendations for design<br>&nbsp;&nbsp;&nbsp;5.1 General recommendations for design of hollow insulators <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;and hollow insulator bodies intended for general use<br>&nbsp;&nbsp;&nbsp;5.2 Design rules for hollow insulators and hollow insulator <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bodies for use with permanent gas pressure<br>6 Classification of the tests, sampling rules and procedures<br>&nbsp;&nbsp;&nbsp;6.1 Classification of the tests<br>&nbsp;&nbsp;&nbsp;6.2 Relevant tests for type, sample and routine tests<br>&nbsp;&nbsp;&nbsp;6.3 Hollow insulator or hollow insulator body selection<br>&nbsp;&nbsp;&nbsp;6.4 Retest procedure for sample tests <br>&nbsp;&nbsp;&nbsp;6.5 Quality assurance<br>7 General test procedures and requirements <br>&nbsp;&nbsp;&nbsp;7.1 Verification of the dimensions and roughness of ground <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;surfaces<br>&nbsp;&nbsp;&nbsp;7.2 Mechanical failing load tests<br>&nbsp;&nbsp;&nbsp;7.3 Temperature cycle test<br>&nbsp;&nbsp;&nbsp;7.4 Porosity test<br>&nbsp;&nbsp;&nbsp;7.5 Galvanizing test<br>8 Type tests <br>&nbsp;&nbsp;&nbsp;8.1 Tests <br>&nbsp;&nbsp;&nbsp;8.2 Pressure test<br>&nbsp;&nbsp;&nbsp;8.3 Bending test<br>9 Sample tests<br>&nbsp;&nbsp;&nbsp;9.1 Tests for hollow insulators or hollow insulator bodies <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;intended for general use<br>&nbsp;&nbsp;&nbsp;9.2 Tests for ceramic hollow insulators or hollow insulator <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bodies intended for use with permanent gas pressure<br>10 Routine tests<br>&nbsp;&nbsp;&nbsp;10.1 Tests for hollow insulators or hollow insulator bodies <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;intended for general use<br>&nbsp;&nbsp;&nbsp;10.2 Tests for ceramic hollow insulators or hollow insulator <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bodies intended for use with permanent gas pressure<br>&nbsp;&nbsp;&nbsp;10.3 Routine visual inspection<br>&nbsp;&nbsp;&nbsp;10.4 Electrical routine test<br>&nbsp;&nbsp;&nbsp;10.5 Routine mechanical tests for hollow insulators or hollow <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;insulator bodies intended for general use<br>&nbsp;&nbsp;&nbsp;10.6 Routine mechanical tests for ceramic hollow insulators <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;or hollow insulator bodies intended for use with permanent <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;gas pressure <br>&nbsp;&nbsp;&nbsp;10.7 Routine thermal shock test <br>11 Documentation <br>&nbsp;&nbsp;&nbsp;11.1 Marking <br>&nbsp;&nbsp;&nbsp;11.2 Records <br>Annex A (informative) Methods of testing for tolerances of <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;parallelism, coaxiality, eccentricity, <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;angular deviation, camber and shed angle <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;of hollow insulators or hollow insulator <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bodies <br>Annex B (informative) Methods for bending tests of hollow insulator <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;bodies <br>Annex C (informative) Alternative test method for the temperature-<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;cycle test <br>Annex D (informative) Bending moment equivalent to the design <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;pressure<br>Annex ZA (normative) Normative references to international <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;publications with their corresponding <br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;European Publications<br>Annex ZB (informative) A-deviations<br>Bibliography

Applies to ceramics and glass hollow insulators intended for general use in electrical equipment and ceramic hollow insulators intended for use with a permanent gas pressure in switchgear and controlgear.