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$23,050.26/c (100 ea)
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Manufacturer Thomas & Betts
Mfg Catalog # 379-TB
North Coast Part # 152488


  • Rugged steel/malleable iron construction
  • Tapered internal threads for water-tight/dust-tight union
  • Threads relieved to prevent bottoming of conduit, ensuring sound assembly
  • Recessed sealing ring at box end; sealing ring captivated
  • Hardened steel/malleable iron/copper-free aluminum locknuts designed to provide high quality ground continuity; extended reach of locknut permits clamping on thin boxes and enclosures
  • Insulated throat, insulates conductors, prevents abrasion and thinning of conductor insulation, reduces wire pull effort
  • To positively bond conduit to box or enclosure.
  • Suitable for hazardous locations use in Class I, Division 2; Class II, Division 1&2; Class III, Division 1 & 2 per NEC 501-4(b); 502-4 (a) and 503-3 (a).
  • Suitable for hazardous locations use in Class II, Groups E, F, G & Class III locations per CEC 18-202; 18-252; 18-302; 18-352.
  • When used with neoprene O-ring, provides watertight threaded hub on enclosures
  • UL Listed 105 degree C


North American Specifications (UNSPSC)

  • UNSPSC: 39121311 Electrical fittings
  • IGCC: 4441 Electrical fittings
  • Brand Name: T&B
  • Type: Hub Connector
  • Special Features: Rain Tight and CSA Certified Watertight and Dust Tight
  • Application: To Connect Threaded Metal Conduit to a Threadless Opening in a Box or Enclosure
  • Standard: UL E23018, CSA
  • Size: 4 Inch
  • Material: Aluminum
  • Temperature Rating: UL Listed 105 Degrees C

European Specifications (ETIM)

  • ETIM: EC001180 Screw connection for protective metallic hose
  • Nominal size in inch: 4 inch
  • Model: Straight
  • Revolving thread: N
  • Construction type: Internal thread
  • Connection type screw connection to housing: Thread
  • Thread type: NPT
  • One-piece: N
  • Material housing: Other
  • Approved in combination with protective conduit CSA: Y
  • Approved in combination with protective conduit UL: Y
  • Operating temperature: 0-+105°C


  • Outer Quantity: 1
  • Outer Dimensions (inches): 7.8x3.9x6.9
  • Weight Uom: 460 lbs. per 100


UPC 78621000379
Item Long Description 4 Inch Hub Connector, Malleable Iron Electro Zinc Plated, Nylon Insulated for Use with Rigid/IMC Conduit
GTiN 05415022258363
Finish Galvanic/Electrolytic Zinc Plated
Size 4 in
Operating Temperature 0 To 105 C
Type Insulated
Material Aluminum
Applications To Connect Threaded Metal Conduit to a Threadless Opening in a Box or Enclosure
Construction Type Internal Thread
Connection Type Internal Threaded
Temperature Rating 105 C
Family Brand Name Thomas & Betts
Housing Material Other
Box Quantity 1
Thread Type NPT
Sub Brand Bullet

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