MyVolts 12V Power Supply Adaptor Compatible with AGM CW-19 PSU Part - US Plug

hi I'm John storms and Trevor online was asking how you hook up a power supply now I'm not an electrician and the electronics thing isn't my natural hobby but I've been able to pick up enough from Clyde's videos and working with with Alan that we're able to fumble our way through so this is a 350 watt power supply that generates 12 volts and 30 amps so everything I do is is 12 volts but pretty much my understanding is power supplies work the same the first thing I do is you got to look at all the little letters here so you got hell and ground V minus V Plus now not entirely sure the reason but when I got a power supply watch from from Jim ATS and devices he had V minus and ground gemperdt like this and you know I trust Jim so I continued doing it so I did that one first because it's a little hard to do with with big fingers I did it off high so you wouldn't watch this tumbling so then I