Fuse Protection It is the general practice to have a 6 to 10-amp fuse in the ignitor circuit. Such a ... panel sessions committee for the entire conference. ... M. Downing, service engineer, Lincoln Electric Co., while the other speakers were Ed. Morris, manager, Unionmelt Service, Linde Air Products Co., Inc. ; L. G. Pickhaver, welding ... The 4 p. m. panel was under the capable chairmanship of L. S. McPhee.