Copper Gray Compression Long Lug, 4 AWG, 5/16″ Mount


NSI compression connectors terminate high-current wires safely, with a max voltage rating of 35kV when properly installed. The tin-plated copper body, chamfered entry and clear gray color coding make them easy to use.

  • Strong Conductivity: Produced from high-conductivity copper tubing
  • Corrosion-Resistant: Tin-plated to provide corrosion and low-contact resistance
  • Die-Indexed: Marked with die index and color-coded gray
  • Strong Termination: Listed for 35 kV maximum when properly installed
  • For applications greater than 2000V, consult the cable Manufacturer voltage stress relief instructions

Product Information

Material Copper
Finish Tin Plated
Pack Qty 100
GTIN 662381034014
UPC 662381034014
EAN 662381034014
UNSPSC 39121405
Origin Country IN
Certifications cULus
Ul Standard UL 486A-486B, UL 467 (8 AWG – 3/0 AWG)
Barrel Inside Diameter 0.25
Barrel Outside Diameter 0.34
Ul File No E155027
Wire Cable Class Class B, Class C
Conductor Type Copper
Tang Thickness 0.09
Tang Length 0.67
Temp Rating 90C, 9CU
Hole Count 1
Wire Range 4 AWG
Assortment Copper Compression Terminations
Expanded Wire Range 4 AWG – 6 AWG
Die Color Code Gray
Mounting Bolt Size 5/16
Barrel Length 1



  • POL_L456_CMP_ProDraw_DIGITAL.pdf Download
  • NSI_CUCompression_CMP_ProdInstall_DIGITAL.pdf Download