3-1/2" Rigid Watertight Hubs Aluminum With Insulated Throat

3-1/2" Rigid Watertight Hubs Aluminum With Insulated Throat This aluminum watertight hub is designed to securely connect rigid or IMC conduit to standard knockouts in electrical boxes or enclosures, providing a moisture, dust, and particle-resistant seal. Suitable for indoor or outdoor use, it features a flame-retardant insulated throat that protects wiring from abrasion and an oversized locknut that resists vibration damage, ensuring durable and safe installations. Ideal for electrical distributors and switchgear suppliers requiring reliable conduit connections. Specifications Material: Aluminum Connection: Threaded Insulation: Insulated Throat NEMA Rating: 2, 3R, 4, 4X, 5, 12, 13 Product Weight: 0.75 lbs Application: Indoor or Outdoor Use Features Flame-retardant insulated throat protects wires from abrasion Corrosion resistant aluminum construction prevents moisture and dust ingress Oversized locknut protects against vibration damage and promotes positive grounding UL listed for safety and compliance Downloads & Links Sell Sheet