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This is a preview - click here to buy the full publication IEC - Edition - REDLINE VERSION BASIC SAFETY PUBLICATION colour inside Insulation coordination for equipment within low-voltage systems ?? Part Use of coating potting or moulding for protection against pollution INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS ISBN - - - - Warning Make sure that you obtained this publication from an authorized distributor Registered trademark of the International Electrotechnical Commission CThis is a preview - click here to buy the full publication ?? ?? IEC - RLV ? IEC CONTENTS FOREW ORD INTRODUCTION Scope Normative references Terms and de ?nitions Design requirements Principles Application range regarding with regards to the environment Requirements for the types of protection Dimensioning procedures Tests General Specimens for testing coatings Specimens for testing mouldings and potting Preparation of test specimens Visual examination Scratch-resistance test Conditioning of the test specimens General Cold conditioning Dry-heat conditioning Rapid change of temperature Damp heat steady-state with polarizing voltage Mechanical and electrical tests after conditioning and electromigration General test conditions Adhesion of coating Insulation resistance between conductors AC withstand Voltage test Partial discharge extinction voltage Additional tests General Resistance to soldering heat Flammability Solvent resistance Annex A normative Test sequences Annex B normative Decisions to be taken by the technical committees ? decisions B General B Decisions required by technical committees B Optional test conditions Annex C normative Printed wiring board for testing coatings C General C Speci ?cation of the printed wiring board C Arrangement of the conductors C Arrangement of lands C Connections for the tests CThis is a preview - click here to buy the full publication IEC - RLV ? IEC ?? ?? Bibliography Figure ?? Scratch-resistance test for protecting layers Figure C ?? Con ?guration of the test specimen Figure C ?? Con ?guration of lands and adjacent conductors Table ?? Minimum spacings for type protection Table ?? Dry-heat conditioning Table ?? Degrees of severities for rapid change of temperature Table A ?? Test sequence Table A ?? Test sequence additional conditioning with respect to electromigration Table A ?? Additional tests CThis is a preview - click here to buy the full publication ?? ?? IEC - RLV ? IEC INTERNATIONAL ELECTROTECHNICAL COMMISSION INSULATION COORDINATION FOR EQUIPMENT WITHIN LOW-VOLTAGE SYSTEMS ?? Part Use of coating potting or moulding for protection against pollution FOREWORD The International Electrotechnical Commission IEC is a worldwide organization for standardization comprising all national electrotechnical committees IEC National Committees The object of IEC is to promote international co-operation on all questions concerning standardization in the electrical and electronic ?elds To this end and in addition to other activities IEC publishes International Standards Technical Speci ?cations Technical Reports Publicly Available Speci ?cations PAS and Guides hereafter referred to as ??IEC Publication s ? Their preparation is entrusted to technical committees any IEC National Committee interested in the subject dealt with may participate in this preparatory work International governmental and nongovernmental organizations liaising with the IEC also participate in this preparation IEC collaborates closely