IEEE C37.100.1-2007

This standard applies to alternating current (ac) switchgear, designed for both indoor and outdoor installation and for operation at service frequencies up to and including 60 Hz on systems having voltages above 1000 V. Application of this standard shall be indicated by normative reference to IEEE Std C37.100.1-2007 in the relevant equipment standard on a section or clause-by-clause basis. Refer to Annex A. The inclusion of this standard as a normative reference shall not imply that all of the requirements contained herein apply as a default. In the absence of a normative reference, this standard shall be considered informative only.1 In case of a conflict in requirements, the requirements of the relevant equipment standard shall prevail.