Abstract: A multisource power supply for supplying a plurality of various power levels from a common AC source, including a plurality of switchable power source modules, a power line conditioner PLC including a high voltage switching supply and logic level supply coupled between the AC source and each of the power source modules, a common controller coupled to each of the power source modules for setting and monitoring the output of each of the modules, each of the modules being removable from the multisource power supply, and an interlock control responsive to removal of any of the modules for disabling the high voltage switching supply.