T&B® H400GRATB Grounding Hub With Thermoplastic Insulated Throat, Nitrile Rubber Sealing Ring, 4 in Trade, Aluminum
4", Copper-Free Aluminum, Thermoplastic Insulated, Tapered Female Threaded, Bulkhead, Rigid/IMC Hub
T&B® Grounding Hub, 4 in, 3-7/8 in Dia Throat, 1/4 in THK Panel, Aluminum, 5-1/2 in Dia x 2-23/32 in LEECO #: TBH400GRATB

