scope:

The design criteria and standards contained within are the minimums acceptable for Department of the Army and Air Force installations for efficiency, economy, durability, maintainability, and reliability of electrical power supply and distribution systems. Where special conditions and problems are not covered in this manual, applicable industry standards will be followed. Modifications or additions to existing systems solely for the purpose of meeting criteria in this manual will not be authorized. The criteria and standards herein are not intended to be retroactively mandatory. The word "will" identifies guidance. The word "shall" identi- Fies policy and is used when writing legal, contractual, requirements such as statements of work, specifications or any other documents that require compliance from the commercial/industrial sector. Clarifications of baseline design criteria, standards, policy, and guidance should be obtained through normal Army and Air Force channels, from HQUSAGE CEMP-ET, Washington, DC 20314-1000 or SQ AFCESAENE, 139 Barnes Drive, Suite 1, Tyndal AFB, FL 32403-5319.

Purpose.

This manual provides Department of the Army and Air Force policy and guidance for design criteria and standards for electrical power supply and distribution systems.