Keywords: High leg delta.svg high-leg delta electrical transformer configuration Phases a b and c provide three-phase 240V power; while phases a and c each provide single-phase 120V power from the shared neutral n or split-phase 240V power between each other Phase b is known as the high or wild leg running at 208V relative to neutral own Olawlor 2009-11-28 This same concept is illustrated with nonstandard labels and bitmap format here http //en wikipedia org/wiki/File Vector_diag_wildleg PNG Split-phase electric power |