<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">I have come up with a solution for the 2-wire Heath power cords like used on the SB-301 and SB-401. This solution uses a 3-wire cord with push on connectors for the "hot" and "neutral" with a terminal lug that attaches to the ground lug on the unit.<br><br>Details at:<br><br>http://k9sth.com/uploads/Heathkit_Power_Cords.pdf<br><br>Glen, K9STH<br><br>Website: http://k9sth.com<br></td></tr></table><br>