Eaton TP437 Square Outlet Box - NEC/CEC

The TP437 uses welded steel construction to deliver robust mechanical integrity in demanding environments, which translates into lower maintenance costs and longer service life for control panels and field enclosures. This durability is critical for industrial facilities where vibration, temperature fluctuations, and accidental impacts are common, enabling operators to minimize downtime and replacement expenses. The box provides a total capacity of 30.3 cubic inches, with versatile side knockouts (six 1/2 in, three 1/2 in, one 3/4 in E) and bottom knockouts (two 1/2 in, two 1/2 in, one 3/4 in E), offering flexible wiring layouts and simplified conduit planning for a wide range of equipment and cable sizes. Coupled with its welded construction and steel material, engineers can confidently route multiple conductors without compromising enclosure integrity or safety. Conduit routing is streamlined because the design supports conduit without clamps, reducing component count and field assembly time, which translates into faster project completion and lower labor costs. The 4-inch box size, 2-1/8 inch depth, and 0.99 lb weight strike a practical balance between ease of handling and robust protection in tight spaces such as panel doors, wall housings, and compact control cabinets. The TP437 is compatible with the broader Crouse-Hinds family of square boxes and covers, enabling seamless accessory integration like covers and extension rings from standard catalog pages, which helps reduce procurement complexity and ensure consistent performance across sites. Compliance is enhanced by NEC/CEC standards and Ordinary/Non-Hazardous area classification, giving facilities confidence in regulatory alignment while enabling safer operation and easier cross-site approvals. Industry practitioners also value the availability of Canadian certification references, which support multinational deployments and audits. In practice, these features support predictable electrical infrastructure, improved first-pass inspections, and a lower total cost of ownership when compared with alternative multi-piece assemblies.