4" Rigid Watertight Hubs, Hot Dip Galvanized - Malleable Iron
Watertight hubs securely connect Rigid or IMC conduit to standard knockouts in boxes or electrical enclosures. Topaz’s high quality malleable iron construction prevents moisture, dust and other damaging particles entering conduit; the hot dip galvanized finish provides added durability and corrosion protection. Recessed o-ring assures watertight connection. Oversized locknut prevents damage from vibrations. UL listed, NEMA 2, 3R, 4, 4X, 5, 12, 13 approved; 1/2” to 6” sizes to suit multiple applications are always in stock.