wiring switch dimmer light

Hi All I have a double dimmer switch which is currently wired up for one of the dimmers to be turned off by a separate hall switch. I’d like to make it so I can turn off both dimmers with the same hall switch. Yellow(right) is the dimmer that is currently turned off by the hall switch. Black...

Hi, I am new to this forum. I know the basics of electricity but am not an electrician. I ordered a chrome dimmer switch from amazon ("Eurosonic 250W 1-Gang 1-Way Dimmer Switch Stainless Steel") to replace a standard one way switch (not dimmer). However the terminals in the dimmer switch that...