exm 1100 DER161606KO Pull box extension rings/open bottom pull box - w/knockout

The exm Pull Box Extension Ring (SKU: 1100 DER161606KO) is an open-bottom pull box designed to extend electrical pull box capacity in commercial and industrial installations. This durable extension ring features pre-punched knockouts for flexible conduit entry and exit, enabling easy cable routing and future modifications. Constructed from robust materials, it withstands harsh environments while protecting wiring systems from environmental factors like dust, moisture, and mechanical stress. The open-bottom design simplifies installation in tight spaces where traditional pull boxes cannot fit, making it ideal for retrofitting existing electrical infrastructure or new construction projects. With a versatile knockout configuration, this extension ring accommodates a wide range of cable sizes and conduit types, ensuring compliance with NEC and other industry standards. Its modular design allows seamless integration with exm pull boxes and other electrical enclosures, providing a clean, professional finish while maintaining system organization. Whether used in manufacturing facilities, data centers, or utility installations, this extension ring delivers reliable performance and long-term durability for critical wiring management applications.