received aluminum
packaged aluminum (took about 5 hours due to lack of power tools)
shipped aluminum!
https://www.fedex.com/fedextrack/index.html?tracknumbers=873694331759&cntry_code=us
...and I revised my wiring because of some residual hum see my latest pics in the gallery.
But this is the way it should be done, one connection point and shortest path.
No. Pin 1 to tab on each DLX.
... you can file back the anodising at one corner of the connector to ensure a good solid connection.