This Technical Report contains a series of recommendations developed by an expert working group of IEC subcommittee 62A in response to questions of interpretation of the second edition of IEC 60601-1. This Technical Report is primarily intended to be used by manufacturers of MEDICAL ELECTRICAL EQUIPMENT; test houses and others responsible for assessment of compliance with IEC 60601-1; and those developing subsequent editions of IEC 60601-1. The object of this Technical Report is to make the recommendations/interpretations developed by the experts in IEC/SC 62A/WG 14 available to those interested in the application of the Second Edition of IEC 60601-1.