IEC TR 61916:2017(E) provides guidance on requirements and tests for subjects applicable to electrical accessories that are within the scope of IEC TC 23 and its subcommittees.<br /> This fourth edition cancels and replaces the third edition published in 2014 and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:<br /> a) clarification of the introduction and the scope;<br /> b) clarification of subclause 6.3;<br /> c) modification of Clause 7;<br /> d) modification of Clause 10;<br /> e) addition of Annex B for temperature selection for GWEPT.