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Thomas & Betts 8120 Series Rigid/IMC Conduit Compression Couplings 4 in Malleable Iron

Mfg #: 8970
BSE #: 388399

For threadless rigid metal conduit and intermediate metal conduit.

  • To connect and effectively bond threadless rigid metal conduit/intermediate metal conduit to a box or enclosure, or to couple ends of threadless conduit
  • Case hardened ring bites into conduit for high quality continuity and grip
  • Case hardened steel locknut or malleable iron locknut designed to provide a positive bond
  • Eliminate conduit threading
  • Suitable for concrete tight application
  • Capable of carrying ground fault currents up to 10,000 Amps RMS (1/2 in through 1 1/2 in size) and 20,000 Amps RMS (2 in and above sizes) duration of current 3 cycles
  • Locknut: 1/2 in thru 2 in steel (hardened) 2 in thru 4 in malleable iron
  • Ring: Steel (case hardened)
  • Standard finish: electro-zinc-plated and chromate coated
  • Standard Material: Nut, Gland: 1/2 in - 1 in Steel 1 1/4 in - 4 in Malleable iron
  • Malleable iron body
  • Available with Dura-Plater finish
  • Federal specification W-F-408 Federal standard H-28 (Threads)
  • Conforms to: UL 514B CSA C22.2 No. 18 NFPA 70-1999 (ANSI) NEMA FB1
  • Listed/Certified by: UL file no. E-23018 CSA file no. 2884
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Threaded No  
Material Malleable Iron  
Conduit Type Rigid/IMC  
Connection Type Compression  
Size 4 in  
Fitting Type Coupling  
Environmental Condition Concrete-tight  

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