{TAIL ~ The third contact/terminal unit} is connected to the first contact/terminal unit or the second contact/terminal unit such that a direct or indirect wire connection can be created between the at least one second wire and {HEAD ~ the at least one supply network} 
{ TAIL ~ The third contact / terminal unit } is connected to the first contact / terminal unit or the second contact / terminal unit such that a direct or indirect wire connection can be created between the at least one second wire and { HEAD ~ the at least one supply network }
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