Color-Keyed Copper One-Hole Lug — Standard Barrel Top Stacking, #4 AWG, Gray
The ABB Thomas & Betts Color-Keyed 54139T is a copper one-hole compression lug with a standard barrel in a top stacking configuration. The inspection peep hole confirms full conductor insertion before crimping. Rated to 35kV and color coded gray for #4 AWG wire size identification.
Specifications
- Type: One-Hole Lug, Standard Barrel — Top Stacking
- Wire Size: #4 AWG
- Bolt Size: 5/16 inch
- Max Voltage Rating: 35kV
- Finish: Tin Plated
- Color Code: Gray
- Die Code: 29
- Model: 54139T
- UPC: 078621093925
Applications
Top stacking lugs allow multiple connections to be stacked on a single bolt for compact termination in panel boards, switchgear, and motor control centers. Suitable for #4 AWG copper conductor terminations in power distribution, grounding, and medium-voltage applications.



