With a bit of struggle to find the right spaces and expect to need to extend several large wires, the work itself is not what I would consider high techie or especially hard, assuming the new transfer switch comes with good enough directions on where each wire connects.
Sometimes the added length and where to put those connectors may be a question but the switch itself is kind of basic. Two line in from gen. or cord, the switch picks one to connect to output to load center!
Can be kind of space hogs if compartments are small?
Click this example to get better view.
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Richard
Why no RV year, make and floorplan on MY signature as we suggest for others?
I currently DO NOT have one!