ETL 13-4 Standby Generator Design, Maintenance, and Testing Criteria, with Change 1  

Date: 
05-15-2014

This ETL provides criteria for design, maintenance, and testing of Air Force emergency and standby generator systems. It supersedes ETL 11-21, Emergency and Standby Generator Design, Maintenance, and Testing Criteria (Change 2), dated 16 March 2012. Requirements in this ETL modify or replace guidance within Air Force instruction (AFI) 32-1062, Electrical Power Plants and Generators, and AFI 32-1063, Electric Power Systems, as detailed in paragraphs 1.1, 1.2, and 6.

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