IEC 60068-2-52:2017 specifies the application of the cyclic salt mist test to components or equipment designed to withstand a salt-laden atmosphere as salt can degrade the performance of parts manufactured using metallic and/or non-metallic materials. This third edition cancels and replaces the second edition published in 1996. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:- the entire content has been harmonized with ISO 9227 as far as possible;- an introduction has been added;- the scope has been simplified;- normative references have been updated;- the general description of the test has been changed;- a dry chamber has been added to the test apparatus;- severities have been changed to test methods;- test methods 7 and 8 have been added;- information on the test report has been added;- Figure 1 has been changed to Table 1;- a typical test apparatus example has been added in a new Annex A;- a description of each test method has been added in a new Annex B;- bibliographical references have been added.