This standard contains the German version of the 3rd edition of the European Standard EN 61000-4-12 and is identical with the 3rd edition of the International Standard IEC 61000-4-12. It describes the immunity test of electrical and electronic equipment against ring wave. For this purpose specifications for the test equipment (test generator, coupling/ decoupling network), for the test set-up, for the test method, for the evaluation of the test results and for the test report are given. Additionally ranges of test levels were specified. Compared to the previous edition specifications for the use of a coupling/ decoupling network for high speed interconnection lines and new annexes B, C and D were added.