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Aluminum mechanical connector lug with slotted head and two conductor ports

Thomas & Betts

Thomas & Betts ADR11-21 Mechanical Connector Lug 1/0-14 AWG 2 Cond

SKU CH-DWF5-M5V1W

Connects two aluminum or copper conductors from 14 AWG to 1/0 AWG in a single aluminum lug rated for 1,000 V

  • TypeTwo, Aluminum Duct Rated
  • Aluminium body resists corrosion in harsh environments
  • Dual-conductor design accepts 14 AWG to 1/0 AWG stranded copper wire
  • Slotted head enables quick installation with standard tools
  • Single 0.25 in mounting hole simplifies panel layout
  • Rated for 1 000 V and 194 °F continuous operation

Mechanical Connector Lug

This Thomas & Betts mechanical connector lug accepts two conductors ranging from 14 AWG to 1/0 AWG. It is built for stranded copper and aluminum wire in electrical and industrial installations. The aluminum body is rated for 1000 V maximum voltage and a 194 Degrees F operating temperature. Installers working on duct-rated projects will find it matches the specified requirements.

Single-hole 1/4 in stud mounting

The lug features one hole with a 0.25 in diameter and 0.55 in spacing for a 1/4 in stud. Its slotted head style allows standard tool engagement during termination. The tongue measures 0.84 in long, 1.22 in wide and 0.19 in thick. These dimensions determine whether the lug fits the bus bar or panel layout without modification.

Straightforward crimp termination

Strip the conductor to the proper length, insert both wires into the barrel and tighten the set screws with a slotted driver. Aluminum bodies can cold-flow, so re-check torque after the first heat cycle. The single termination point means both conductors share one lug; verify the combined cross-section stays within the 1/0 AWG maximum. No special tooling beyond common hand tools is required.

Highlights

  • Aluminium body resists corrosion in harsh environments
  • Dual-conductor design accepts 14 AWG to 1/0 AWG stranded copper wire
  • Slotted head enables quick installation with standard tools
  • Single 0.25 in mounting hole simplifies panel layout
  • Rated for 1 000 V and 194 °F continuous operation

Specifications

BrandThomas & Betts
TypeTwo, Aluminum Duct Rated

Questions about this item

What does the 1/0 to 14 AWG range mean when I'm choosing wire for this lug?

It accepts stranded copper conductors from 14 AWG up to 1/0 AWG, so you can terminate both small control wires and larger power feeds in the same connector.

How does the 1,000 V rating and single 1/4 in stud hole affect the way I connect this lug?

The lug is rated for up to 1,000 V and mounts on a single 1/4 in stud with 0.55 in hole spacing, limiting you to one bolted connection point per lug.

What are the physical dimensions I need to clear for the tongue and body of this connector?

The tongue measures 0.84 in long, 1.22 in wide and 0.19 in thick, with a single 0.25 in diameter mounting hole centred for a 1/4 in stud.

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