T&R Electric puts reliability in writing. Every transformer we recondition or rewind is guaranteed against defects in workmanship and materials. T&R exceeds industry standards by offering up to a three year warranty on rebuilt and rewound transformers. T&R Electric is proud to have the latest technology in loss measurement for power transformers that can measure losses to greater than 1% accuracy. All transformers undergo a standard series of tests that conform to current ANSI standards.