ABB Thomas and Betts Two-Way Bimetallic Connector
The ABB (Thomas and Betts) model 269-31499-2 is a two-way connector designed for making reliable bimetallic connections between aluminum and copper conductors. Accommodating 2 aluminum and 4 copper conductor entries, this connector is engineered for electrical distribution applications where aluminum-to-copper transitions are required.
Key Features
- Two-way design for connecting aluminum and copper conductors
- Accepts 2 aluminum conductor entries and 4 copper conductor entries
- Designed for bimetallic connections to prevent galvanic corrosion at aluminum-copper junctions
Specifications
- Model: 269-31499-2
- Brand: ABB (Thomas and Betts)
- Connector Type: Two-Way
- Aluminum Ports: 2
- Copper Ports: 4
Applications
Used in electrical distribution panels, transformer terminations, and service entrance equipment where aluminum-to-copper conductor transitions are necessary. Bimetallic connectors are required by NEC where aluminum and copper conductors are joined, preventing the galvanic corrosion that can result from direct contact between dissimilar metals.


