Lug

nounStandard termElectricians

A heavy-duty terminal used to connect a large gauge wire to equipment.

A metal connector attached to the end of a thick electrical conductor to bolt it securely to a panel, breaker, or grounding point. The wire is either crimped into the barrel of the device using a hydraulic tool or clamped down with a set screw.

Heard on the job

Grab the torque wrench and make sure every lug in the main panel is tightened to spec.

Also heard as

  • terminal lug
  • mechanical lug
  • crimp lug