In a digital social relationship network, a social network server computer stores a digital social network representation corresponding to a graph having nodes representing individuals or groups and links representing actual social relationships between the individuals or groups. Thus, the device can protect an electronic circuit from a surge voltage and match an impedance of a transmission line. The flexible member may secure a bracket member to a receiver member by fastening the bracket member to a corresponding extension or tab of the receiver member. There is an insert wick passage for the insertion of the wick having an outside wall which presses, at least partially, against an inside container neck wall in a wick clamping connection when inserted. A plug ferrule is fixed axially within the plug body that contacts the receptacle ferrule and moves the receptacle ferrule axially with the plug body being inserted within the plug receiving chamber of the receptacle body.