ABB Thomas & Betts Color-Keyed Copper Blank Tongue Lug, Standard Barrel — Model 58166BT
The Color-Keyed 58166BT is a tin-plated copper blank tongue lug providing a field-drillable tongue for custom bolt hole configurations. Rated for systems up to 35kV, the standard barrel with peep hole design ensures reliable conductor seating for 4/0 Flex conductors. Die Code 62 with Yellow Die Color Code for accurate tooling selection.
Key Specifications
- Product Type: Blank Tongue Lug — Standard Barrel
- Material: Copper
- Finish: Tin Plated
- Wire Size: 4/0 Flex
- Maximum Voltage: 35kV
- Die Code: 62
- Die Color Code: Yellow
- End Style: Peep Hole
- Tongue: Blank (field drillable)
- Model: 58166BT
- UPC: 78621091015
Features
- Blank tongue allows field drilling of custom bolt hole size and placement
- Peep hole provides visual confirmation of complete conductor insertion
- Tin plating provides corrosion protection for reliable long-term performance
- Standard barrel ensures consistent compression for 4/0 Flex conductors
- Rated for medium-voltage systems up to 35kV
- Color-coded yellow die system for quick, accurate die selection
Applications
Designed for custom termination requirements in switchgear, transformers, power distribution equipment, and industrial electrical systems where a non-standard bolt hole configuration is needed for 4/0 Flex copper conductors.



