A two-wire metal vapor vacuum arc (MeVVA) vacuum head includes an upper
housing and a lower vacuum housing. The lower vacuum housing includes a
plurality of ports, a vacuum space, and a first grid positioned in the
vacuum space. A plurality of electrodes are positioned in the ports with
a first end with an electrical contact area extending into the upper
housing, and a second end extending into the vacuum space with an exposed
electrical discharge area spaced from the first grid. An electrode of
opposite polarity is positioned in one of the lower housing ports with a
first end extending into the upper housing and a second end attached to
the first grid. An extractor grid is positioned adjacent to the first
grid, an electrode selector is operatively connected to the plurality of
electrodes, and a trigger generator circuit is connected to an input of
the electrode selector.