Thomas Betts 54508 Butt Splice Terminal 1 Awg Crimp-on

Product Description

The THOMAS BETTS 54508 is a non-insulated, crimp-on butt splice terminal designed to join two conductors end-to-end in a single, reliable connection. Built with a copper contact body and a tin (TiN) plating, it accepts 1 AWG wire on each entry point, making it well-suited for high-current runs in electrical distribution, industrial controls, and heavy equipment wiring. At 1.5 inches overall length and 0.47 inches in overall diameter, the terminal is compact enough for confined junction boxes while still accommodating the large-gauge wire common in commercial and industrial installs. It carries UL Listing, CSA Certification, and RoHS compliance.

This terminal is used in applications where two 1 AWG conductors must be spliced inline without adding a junction box or mechanical connector. Typical install scenarios include service-entrance wiring, motor branch circuits, generator output connections, and panel feeder extensions. Electricians working on commercial or industrial systems will encounter this gauge regularly when sizing conductors for high-ampacity loads. The non-insulated design allows the installer to apply heat-shrink or other protective sleeving as required by the application or local code.

Key Features

• Crimp-on connection type for fast, tool-based termination of 1 AWG conductors
• Non-insulated body allows custom sleeving or heat-shrink over the splice
• Copper contact material with TiN plating for corrosion resistance and conductivity
• Two-wire-entry design for true inline butt splicing
• UL Listed, CSA Certified, and RoHS Compliant for use in code-governed installations
• Compact 1.5-inch overall length fits tight enclosures and conduit bodies

Compatibility

Designed as an OEM-style replacement or direct-use crimp terminal for 1 AWG wire in non-insulated butt splice applications across residential, commercial, and industrial electrical systems.

Installation Notes

Installation should be performed by a licensed electrician following NEC requirements for the applicable circuit type and environment. De-energize the circuit and verify zero voltage with a meter before terminating conductors. Use a calibrated ratchet crimp tool rated for the terminal and wire gauge to achieve a proper crimp — do not use pliers or uncalibrated tools. Where the non-insulated splice is exposed to moisture, mechanical abrasion, or bundled conductors, apply a compatible heat-shrink sleeve or electrical tape per local code requirements.