ornl 6925 supplement to the determination analysis 6847 and of nema efficiency standard for distribution transformers p r barnes s das b w mcconnell j van dyke this report has been reproduced directly from best available copy doe contractors office scientific technical information o box 62 oak ridge tn 37831 prices 423 576 8401 fts 626 public national service us department commerce 5285 port royal rd springfield va 22161 was prepared as an account work sponsored by agency united states government neither nor any thereof their employees makes warranty express or implied sumes legal liability responsibility accuracy completeness usefulness apparatus product process disclosed represents that its use would not infringe privately owned rights reference herein specific commercial trade name trademark manufacturer otherwise does necessarily constitute imply endorsement recommendation favoring