What precautions should be taken for parallel connection of the power supplies?

How to Use Power Supply FAQ

In some cases, it might be better to insert diodes into the output in order to prevent the reverse current from the power supply having parallel connection.
Additionally, in case you connect the power supply to the load, we believe it is desirable that all the power supplies are individually wired or connected to respective loads. There are more suitable ways of connection based on loads you use. Taking into consideration that, please contact our sales offices nearest for you regarding more information.