Understanding CAT Ratings

This video provides a short introduction to CAT electrical safety ratings in the context of common test and measurement instruments such as multimeters and oscilloscopes. Learn more about the R&S RTH Handheld Oscilloscope: http://rsna.us/6055mP5Fx Discover the R&S RT-ZISO isolated probe: http://rsna.us/6056mP5FI Test your knowledge and take the test & measurement fundamentals quiz: http://rsna.us/6057mP5FL Timeline: 00:00 Introduction 00:14 About electrical measurement safety 01:09 About transients 01:47 About arc faults 02:43 About CAT ratings 03:43 CAT ratings overview 04:25 CAT I 05:05 CAT II 05:39 CAT III 06:14 CAT IV 06:51 Rated voltage 07:39 CAT rating versus rated voltage 08:35 CAT ratings and test and measurement instruments 09:20 CAT ratings and DMM probes 09:51 CAT ratings and oscilloscope probes 10:34 Where to find CAT ratings 11:10 Verifying CAT compliance 11:49 Summary