Total Transformers offers UL approved indoor low voltage step down transformers and drivers that are made in the USA. Chose between AC and DC output for all your lighting needs from 5w through 1200w in 120/277v or 12/24v configurations. Class 2 transformers and standard models available. Because of the almost limitless configurations of our transformer and driver offerings, some units are assembled in California as needed. In most cases we ship within 1-3 days. If you have special time constraints please contact us before ordering to insure that delivery meets your needs. In addition, transformers ordered incorrectly and returned will be charged a 25% RESTOCKING CHARGE. Please be sure to order correctly and make sure you are getting the exact transformer you need.