I am installing a Z-wave switch (I have done others), but this one is different. There are three switches in this junction box. However, only one switch is grounded (not one I am installing), and the switch I am adding needs to be grounded.
The switch that is grounded appears to go into a 6 slot wire port with other copper wires. Does anyone know if this is grounding the entire box? The other wires are painted, but if scratched they are copper.
Worst case scenario I can jump the ground over to make switch work, but was hoping to understand the wiring a bit more if possible. Here is picture (top left is the ground coming from switch.
Hopefully this is enough info, but if not please let me know.