Mar 15, 2002 · Spray arc with FCAW. By Michael Sherman Date 12:47. Brian, EXXT-1, EXXT-2, EXXT-3, EXXT-6, EXXT-11 electrodes have a spray type arc. We have used the EXXT-11 extensively and it operates in ranges normally associated with spray transfer. FCAW is an excellent alternative to low hydrogen SMAW electrodes.