The Gardner Bender AMT-127 Butt Splice Connectors are adhesive-lined, heat-shrink insulated connectors designed for secure, waterproof wire splicing and repairs. These crimp-type connectors are ideal for joining 12–10 AWG cables in electrical projects where reliable connections and environmental protection are essential.
Whether you’re working on automotive wiring, marine applications, or general electrical repairs, these butt splices protect connections from wire pullout, moisture intrusion, abrasion, salt water, oil, gasoline, and other harsh environmental conditions. The 25-piece pack is perfect for larger projects or maintaining a stocked inventory of spare connectors.
Features and Benefits
- Heat-Shrink Insulation: Adhesive-lined construction creates a waterproof, environmentally sealed connection when crimped and heated, with a 2.5:1 shrink ratio.
- UL Listed: Rigorous testing ensures the product meets industry safety standards and regulations.
- Environmental Protection: Guards against wire pullout, moisture, abrasion, salt water, oil, and gasoline for long-lasting reliability in demanding conditions.
- Color-Coded Design: Yellow insulation identifies the appropriate wire gauge size for quick, accurate installation.
- Crimp-Type Connection: Simple crimping process followed by heating delivers quick and secure wire repairs and connections.
- 25-Piece Pack: Convenient quantity suitable for larger projects or stocking multiple repair kits.
Specifications
- Brand: Gardner Bender
- Model: AMT-127
- Wire Size: 12–10 AWG
- Voltage Rating: 600 V Maximum
- Insulation Type: Yellow Nylon Heat-Shrink with Adhesive Lining
- Shrink Ratio: 2.5:1
- Heat Temperature: 135°C (275°F)
- Temperature Rating: –67°F to 221°F (–55°C to 105°C)
- UL Listed: Yes
- Pack Quantity: 25 Connectors








