Overview
The Steel City® TK128A Set-Screw Coupling provides a dependable method of joining two sections of 3-inch EMT (Electrical Metallic Tubing) conduit. Manufactured by ABB (Thomas & Betts), this coupling features a zinc plated steel construction that resists corrosion and becomes concrete tight when taped, making it suitable for both exposed and embedded conduit installations. It carries a UL Listing (E16592), ensuring compliance with applicable electrical codes and standards.
Features
- Set-screw connection for fast, tool-free tightening and a secure mechanical bond
- Zinc plated steel construction for corrosion resistance and long service life
- Concrete tight when taped — suitable for concrete-encased conduit runs
- Compatible with 3 in. EMT conduit
- UL Listed (E16592) to meet NEC installation requirements
- Country of origin: India
Specifications
| Attribute | Value |
|---|---|
| Manufacturer | ABB (Thomas & Betts) / Steel City® |
| Model Number | TK128A |
| SKU / Graybar Item No. | 22047133 |
| Product Type | Set-Screw Coupling |
| Conduit Type | EMT |
| Conduit Size | 3 in. |
| Material | Zinc Plated Steel |
| Connection Type | Set Screw |
| Listing | UL Listed E16592 |
| UPC | 78599102553 |
| UNSPSC | 39121434 |
| Country of Origin | India |
| Unit of Measure | Each (EA) |
| Min. Order Qty | 1 |
Pricing note: Price shown is per individual unit (EA). This product is typically packaged and distributed in boxes of 100.





