Part 1: Checkbox tasks - only one is right at a time!


What voltage can be measured on a 400 V TN-C-S system?

 
 
 
 
 

An industrial furnace is switched from Star to Delta. How does the power behave?

 
 
 
 
 

You have to connect a motor to a 400V 3-phase power supply. Which statement is not correct?