An installation switch having a housing and a connecting arrangement for a conductor having a terminal shoe. The golf club head preferably has a volume ranging from 450 cubic centimeters to 475 cubic centimeters, a mass ranging from 180 grams to 225 grams, and a length ranging from 4. Removal of the cyclic noise from a borehole image tends to enable the identification of borehole features and provide for improved accuracy in formation parameter evaluation. Each individual trough segment is pivotally coupled to any adjacent trough segment to allow bending of the cable trough. The conductor layer is roughened on the surface, preferably after the structuring thereof and the noble metal applied as a layer, essentially on all of the structured roughened conductor layer, whereupon the noble metal layer surface is given a corresponding roughness. A misting nozzle 8, 9 is provided at an outer end of each respective conduit, and has a central nozzle axis angled with respect to a central axis of a respective conduit for discharging mist while producing a tangential thrust for rotating the one or more conduits and the misting nozzle about the stationary member.