UFGS 26 12 21 Single-Phase Pad-Mounted Transformers  

History: Below is a listing of the Revisions and Changes made to this UFGS.

KEY PREPARING ACTIVITY (PA) A Army N Navy F Air Force S NASA
ACTION N New R Revision C Change D Deletion
Release PA Action Change # Nature of Change or Revision
Nov-2019 N C 2

FAR/DFAR changes no longer permit the use of "brand name or equal" in the UFGS, therefore, the following language was removed from the paragraph/list WARNING SIGNS AND LABELS (2.6-a.), “(decals, Panduit No. PPSO710D72 or approved equal)”.

Aug-2018 N C 1

Sustainability updates required to coordinate with the Federal Codes and DoD policies and procedures.

May-2017 N R

Revision included updating the minimum efficiency to meet 10 CFR 431, Subpart K, and meeting additional changes in transformer technology.

Nov-2013 N N

Superseding UFGS 26 12 19.20 SINGLE-PHASE PAD-MOUNTED TRANSFORMERS