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Copper compression lug with long barrel and single 5/16 inch stud hole

Burndy

Burndy YAD4CM8E516 Compression Lug 4 AWG 5/16 in Stud Long

SKU CH-ZHA6-637VS

One-hole copper compression lug crimps 4 AWG wire to a 5/16 in stud with a long brazed barrel rated 600 V and 302 °F

  • TypeElectrical Connectors
  • Rated for 600 V maximum voltage
  • Withstands 302 °F operating temperature
  • Brazed barrel ensures strong crimp connection
  • Long barrel style provides extra contact area
  • Tin-plated copper contact resists corrosion

Product Identity

The Burndy YAD4CM8E516 is a one-hole compression lug built for 4 AWG copper conductors. It carries a 600 V rating and a 302 °F maximum operating temperature for demanding electrical and industrial wiring tasks.

Suitability

This lug suits installers who need a long-barrel, tin-plated copper connection on a 5/16 in stud. It is not for applications requiring smaller wire gauges, insulated barrels, or different stud diameters.

Installation Notes

Termination is by crimp using tooling matched to the .41 in barrel outside diameter and .43 in barrel length. The brazed barrel resists splitting, but incorrect die selection or an undersized crimp tool remains the most common cause of a poor joint.

Highlights

  • Rated for 600 V maximum voltage
  • Withstands 302 °F operating temperature
  • Brazed barrel ensures strong crimp connection
  • Long barrel style provides extra contact area
  • Tin-plated copper contact resists corrosion

Specifications

BrandBURNDY
TypeElectrical Connectors

Questions about this item

Which crimp tool die is required for the 4 AWG long barrel?

Use a die rated for 4 AWG with a 0.43 in barrel length and 0.41 in outside diameter to match the lug specifications.

Will the 0.63 in tongue width clear the bus bar on my existing 5/16 in stud terminals?

The tongue measures 0.63 in wide and fits a 5/16 in stud, so it aligns with standard terminals using that stud size.

How do I confirm the crimp meets the 600 V rating after installation?

Perform a pull-test per UL 467 and verify the tin-plated copper barrel shows no gaps or cracks along the 0.43 in length.

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