IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Dry-Type Power and Distribution Transformers, Including Open-Wound, Solid-Cast, and Resin-Encapsulated Transformers

This corrigendum clarifies temperature control for aging experiments in 4.5.1 that was a result of the combination of the two previous test standards. This corrigendum selects the method from the two which should have been used in the combined test standard represented by the 2009 version. This document also makes one minor editorial change in 4.4.