3M 40178 Copper/Aluminum 2-Hole Lug
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Manufacturer 3M
Mfg Catalog # 40178
North Coast Part # 1339459


  • Standard barrel ensures a secure fit and offers reliable performance
  • Barrel sealing caps are color coded to help to indicate the wire guage
  • Made of aluminum for good conductivity and tin plating for corrosion resistance
  • Rated for 35 kV voltage applications
  • UL Listed and RoHS 2011/65/EU Compliant


  • Barrel Length (Imperial): 4.62 in
  • Barrel Length (Metric): 117.4 mm
  • Barrel Style: Standard Barrel
  • Center of Hole to Center of Hole: 1.75 Inch
  • Center of Hole to Center of Hole (Metric): 44.5 mm
  • Center of Hole to End of Pad: 0.62 Inch
  • Center of Hole to End of Pad (Metric): 15.7 mm
  • Color Family: Brown
  • Conductor Size: 1000 kcmil
  • Connector Description: Two hole
  • For Use With: Aluminum or Copper Conductors
  • Inside Diameter (Metric): 30.2 mm
  • Lug Type: Compression Lugs
  • Material: Aluminum
  • Maximum Conductor Size: 1000 kcmil
  • Maximum Operating Voltage: 35 Kilovolt
  • Number of Stud Holes: 2
  • Outer Diameter (Imperial): 1.84 in
  • Outside Diameter (Metric): 46.7 mm
  • Overall Length (Imperial): 9.68 in
  • Overall Length (Metric): 245.8 mm
  • Pad Length (Imperial): 3.62 in
  • Pad Length (Metric): 92.0 mm
  • Product Color: Brown
  • RoHS EU Comments: RoHS 2011/65/EU compliant without exemption
  • Stud Sizes: 1/2 Inch


UPC 05400713715
GTiN 00054007137153
Length 9.68 in
Width 1.19 in
Color Brown
Type Standard Barrel
Barrel Type Standard Barrel
Conductor Size 1000 MCM
Number of Holes 2 Hole
Applications Aluminum or Copper Conductors
Family Brand Name Scotchlok
Outside Diameter 1.84 in
Barrel Length 4.62 in
Max Voltage 35 kV
Sub Brand Scotchlok
Material Aluminum
Overall Length 9.68 in

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