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BURNDY GB29 Mechanical Grounding Connector
The BURNDY GB29 Mechanical Grounding Connector is engineered for reliable, high-performance ground connections in extreme environments, including solar applications. Manufactured from a highly corrosion-resistant copper alloy, this unplated ground clamp is specifically designed to separate bare copper cable from 1/4" thick metal bars, ensuring secure electrical continuity and structural integrity.
This connector accommodates 2/0 to 4/0 AWG solid copper conductors and 2/0 AWG to 250 kcmil stranded copper conductors. It features a robust 1/2" hexagonal DURIUM™ silicon bronze bolt, allowing for straightforward, one-wrench installation. Certified for direct burial in earth or concrete, the GB29 meets stringent UL467 and CSA standards for grounding and bonding equipment.
Key Specifications
- Conductor Size (Solid): 2/0 AWG to 4/0 AWG Copper
- Conductor Size (Stranded): 2/0 AWG to 250 kcmil Copper
- Bar Thickness: 1/4 inch
- Bolt Size/Type: 1/2" Hexagonal DURIUM™
- Recommended Installation Torque: 480 in-lbs
- Dimensions: 1.88" (W) x 2.32" (H)
- Material: Unplated High Copper Alloy
- Certifications: UL467 Listed, CSA Certified
- Application: Direct Burial in earth or concrete, Solar applications
Frequently Asked Questions
Q: What size copper cable is compatible with the GB29 ground connector?
A: The GB29 accommodates 2/0 to 4/0 AWG solid copper wire and 2/0 AWG to 250 kcmil stranded copper wire.
Q: Can this connector be buried directly in the ground or in concrete?
A: Yes, it is UL467 and CSA certified for direct burial in both earth and concrete applications.
Q: What is the recommended installation torque for the DURIUM bolt?
A: The recommended installation torque is 480 in-lbs.
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