Harger XO4/04/0I Cable Crosslay Overlay Grounding Mold, Exothermic Cadweld Harger XO4/04/0I Cable Crosslay Overlay Grounding Mold, Exothermic *Cad-weld. Condition is New. Shipped with USPS Ground Advantage. Perfect for exothermic (cadweld) on 4/0 to 4/0 copper crosslays for ground mat or grounding grid construction. byJuly 4, 2026