Abstract: This corrigendum corrects technical and other non-editorial errors made during the
preparation of IEEE Std C37.09-1999 latest version, second printing 19 December 2005, which
covers test procedures for all high-voltage circuit breakers rated over 1000 VAC. This text also
includes corrections to the errata dated 19 December 2005, which adjusts Figure 17 on page 62 of
the main text (under 7.2).
As of the printing of this corrigendum, IEEE Std C37.09-1999 includes all of the following:
• IEEE Std C37.09-1999 latest version, second printing 19 December 2005;
• Errata to IEEE Std C37.09-1999 (edited 18 April 2007), which corrects typographical and editorial
errors to the standard (note that these alterations have been made to the most current
electronic version of the standard which is available online—http://shop.ieee.org/ieeestore/);
• IEEE Std C37.09a-2005, amendment to IEEE Std C37.09-1999, which adds additional content
to the standard; and
• this corrigendum, IEEE Std C37.09-1999/Cor 1-2007, which makes technical corrections to
both the original IEEE Std C37.09-1999 and the subsequently published errata.