Using Multiple Transformers to Feed One Load
Sometimes loads (e.g. signs or approach light bar) may require more power than the largest transformer we can supply (500W).
A simple fix is the use of two standard transformers in series - see following picture.
Click on picture for details.
||If it is desired to have the secondary earthed, only one of the transformers should have an earthing connection. (If both are earthed, the secondary of one transformer will be shorted out.)