Hello,
I am curious what the common practice of grounding power supplies entails. I have seen the following three different configurations:
- earth ground connected solely to the chassis, leaving +/- output terminals floating
- earth ground connected to chassis as well as one of the output terminals (normally -ve)
- earth ground connected to chassis as well as one of the output terminals through a large value resistor (>1 Mohm)
Grounding the chassis is a no brainer, but I am wondering if one of these practices is better suited for a general DC supply (<30V, <1A). Would the third option still be stackable?
Thank you.
I am curious what the common practice of grounding power supplies entails. I have seen the following three different configurations:
- earth ground connected solely to the chassis, leaving +/- output terminals floating
- earth ground connected to chassis as well as one of the output terminals (normally -ve)
- earth ground connected to chassis as well as one of the output terminals through a large value resistor (>1 Mohm)
Grounding the chassis is a no brainer, but I am wondering if one of these practices is better suited for a general DC supply (<30V, <1A). Would the third option still be stackable?
Thank you.