The following explanation refers to the section Configuration K of the Bus Load Configuration Examples documentation.
The following example refers to a situation where a space heater is connected to an auxiliary contact. The space heater and the auxiliary contact are powered from a bus that does not feed the main equipment. The space heater bus and the main equipment bus do not have to belong to the same PDB. These two buses can belong to different PDBs if needed.
In the Electrical Engineer:
In a single line diagram:
