In conformity with the IEC style of IEC 62271-1, this document will not have a "Purpose" clause. However, the purpose of the document is best expressed in the following material contained in the "Foreword": This is a new standard written specifically to collect into one document the requirements that are common in many IEEE Power Switchgear Standards. It follows the concept already in place in IEC 62271-1. The expected benefits of this concept is to reduce the minor inconsistencies among the various switchgear standards and, where differences must remain, to have them highlighted by exception to these common requirements. It is the intention of the IEEE Switchgear Committee that the relevant [switchgear] standards will adopt the provisions of this standard by normative reference. Specific clauses may be adopted (a) without exception (the default), (b) with exceptions, (c) with additional requirements or a combination of (b) and (c), as deemed appropriate to the relevant standard. Refer to informative annex A for specific recommendations for use with a relevant standard. Note: IEC TC17 SC17A MT34 is currently developing IEC 62271-1. When the IEC 62271-1 standard is issued, it will replace IEC 60694. In an effort to promote harmonization, this standard is formatted similar to the IEC Standard.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. The technical requirements established in this standard serve as common reference to a number of equipment-specific high voltage standards, either in its entirety or on a clause-by-clause basis, as determined in those standards which cite C37.100.1.
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