Appleton 4 IN Expansion Coupling, Trade Size: 3-1/2 IN, Outside Diameter: 6 IN, Length: 8-1/2 IN, Flexibility: Rigid, Material: Malleable Iron, Finish: Hot Dipped Galvanized, Standard: UL 467, UL File Number E14814, For Rigid Metal Conduit
Couplings have the equivalent of weather-tight joints for use with heavywall conduit; Metallic packing ring to insure the entire conduit system remains a continuous electrical conductor; Copper bonding jumpers are available to provide additional effective
