1453-TB

Overview

The Thomas & Betts 1453 is a 1-inch non-metallic knockout plug designed for use with rigid and intermediate metal conduit (IMC). Constructed from high-impact, self-extinguishing thermoplastic material that meets UL 94 standards, this component features a one-piece design intended to snap securely into place. It includes a 0.4-inch thread for proper engagement within the conduit system.

Feature Summary

• One-piece construction designed for secure snap-in installation
• High impact strength thermoplastic body
• Self-extinguishing and non-dripping properties per UL 94

Applications

• Sealing unused knockouts in rigid conduit systems
• Protection of IMC conduit openings
• Electrical enclosure entry points

Procurement Notes

Verify the specific catalog number against official ABB Electrification documentation to ensure compatibility with the intended conduit trade size. Confirm that the thermoplastic material specifications meet the required environmental and safety standards for the installation location. Cross-reference the UPC code 786210014531 for accurate identification during sourcing.

Selection Notes

Select this component when a durable, non-metallic seal is required for 1-inch conduit knockouts. The thermoplastic construction offers resistance to impact and corrosion, making it suitable for various industrial and commercial environments. Ensure the application does not require metallic grounding continuity through the plug itself.

Part Context

This part belongs to the Thomas & Betts fittings line, now under ABB Electrification. The 1453 model is specifically categorized as a knockout plug within the broader range of electrical accessories and conduit components provided by the manufacturer for wiring infrastructure protection.

Replacement Considerations

Consult official ABB catalogs for direct substitutes. Generic equivalents may lack the specific UL 94 certification or dimensional accuracy required for rigid conduit systems.