1100 DER181802KO

The exm 1100 DER181802KO Pull Box Extension Rings are open-bottom pull boxes designed to extend existing electrical pull boxes for improved cable routing and wire management. These extension rings feature pre-punched knockouts for easy conduit entry and exit, allowing for flexible wiring configurations in both new construction and retrofit projects. Constructed from durable steel, they meet NEC and UL standards for electrical enclosures, ensuring long-term reliability in residential, commercial, and industrial applications. The open-bottom design simplifies installation by eliminating the need for additional fittings, while the knockouts accommodate standard trade sizes for seamless integration with existing systems. Ideal for extending pull boxes in tight spaces or adding capacity to overloaded enclosures, these extension rings reduce installation time and material costs. The 18-inch square size provides ample room for wire bending and splicing, minimizing the risk of damage to conductors. Compatible with exm pull boxes and other industry-standard enclosures, these rings are a cost-effective solution for expanding electrical infrastructure without replacing entire assemblies. Trust exm’s US-manufactured products for compliance with electrical codes and dependable performance in demanding environments.