Mueller 10A Kelvin Clip with Silver and Gold Tip Contacts From Mueller, this 10A Kelvin clip has electrically isolated jaws, gold and silver tip contacts and a nylon housing. Ideal for electrical testing applications, when the jaws of this Kelvin clip are open they are electrically isolated and when closed they are shorted. This Kelvin clip is 41.28mm long and accepts a wire size of 18 AWG. Features & Benefits