Per page three of he Data Sheet
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you will need a 0.3" hole in the panel. Remove the threaded collar leaving the hex nut. Place in the panel hole, replace the collar and tighten up the hex nut. This is assuming that that the panel is used as one of the conductors. If your panel is plastic or other non conductor, then a ring terminal such as DigiKey part number WM13682-ND
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will be needed to be installed between the hex nut and the panel and that is connected to the second wire.