Eaton TP431 Square Outlet Box - 4-Inch Steel NEC/CEC
Part Number: TP431
Quick Summary
Eaton TP431 Square Outlet Box is a rugged enclosure for protecting electrical terminations in industrial enclosures. When space is tight, the 4-inch box with welded steel construction, integrated AC/MC clamps, and multiple knockouts simplifies mounting and reduces enclosure footprint. This Crouse-Hinds series part adheres to NEC/CEC standards and is certified for Ordinary/Non-Hazardous Locations, with UL listings for steel square boxes and covers. Engineers gain predictable installation times and durable protection against vibration and impact, while procurement benefits from a standardized, readily available enclosure that fits common conduit configurations. By selecting this Eaton square outlet box, teams can speed panel builds, maintain regulatory compliance, and lower maintenance costs through proven reliability and compatibility with standard conduit hardware.
Product Information
Extended Description
TP431 Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", 4, AC/MC clamps, Welded, 2-1/8", Steel, (4) 1/2", (2) 1/2", (1) 3/4" E, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP431
UPC
786189104318
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.91 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
30.3 cubic in
Depth
2-1/8"
Conduit/cable
AC/MC clamps
Construction
Welded
Side knockouts
(4) 1/2 in, (2) 1/2 in, (1) 3/4 in E
Bottom Knockouts
(1) 1/2 in
Cable knockouts
4
Material
Steel
Crouse-Hinds series 4-Inch Steel Square Boxes and Covers catalog page
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings UL certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings UL certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
The TP431 offers a compact 4-inch box size with a generous 30.3 cubic inch capacity, delivered in welded steel that withstands vibration and impact in demanding environments. This combination translates to faster wiring, less rework, and longer service life in control panels and junction boxes. AC/MC clamps are included, reducing vendor parts and enabling quicker field assembly with a consistent clamp footprint across jobs. Side knockouts include four 1/2 inch, two additional 1/2 inch, and one 3/4 inch E knockout, plus a bottom knockout of 1/2 inch, providing flexible routing for diverse conduit configurations. The 2-1/8 inch depth keeps assemblies compact, improving panel density and easing flush mounting. The box is designed for Ordinary/Non-Hazardous Locations under NEC/CEC and UL-listed, ensuring regulatory compliance and simpler procurement. Overall, this enclosure minimizes maintenance costs through durable construction and predictable performance, aligning with industry standards for steel square boxes in mid-size electrical infrastructures.
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FAQs
TP431 is designed with four side knockouts and one bottom knockout, plus integrated AC/MC clamps, enabling straightforward conduit routing. To install, align internal terminations with standard 4-Inch square box mounting patterns, secure clamps, and route wires through chosen knockouts. This reduces accessory count and speeds panel assembly while maintaining NEC/CEC compliant configurations.
TP431 provides a 4-Inch box size with a 30.3 cubic inch capacity and a depth of 2-1/8 inches. The 4 x 4 inch footprint supports multiple terminations, while the 2-1/8 inch depth keeps assemblies compact for dense control panels. Steel construction adds rigidity and long-term protection for wiring in industrial environments.
Yes. TP431 is rated for Ordinary/Non-Hazardous Locations and conforms to NEC/CEC standards. It is UL-listed for steel square boxes, making it suitable for standard plant installations and non-hazardous control panels. It is not intended for hazardous or classified locations unless additional protective measures are specified.
TP431 complies with NEC/CEC standards and is UL-listed for 4-Inch Steel Square Outlet Boxes, Covers, and Extension Rings. This combination provides regulatory assurance for regular industrial environments and ensures compatibility with common conduit systems and accessories used in non-hazardous locations.
TP431 reduces install time through integrated AC/MC clamps and flexible knockouts, minimizing the need for extra hardware. Its welded steel construction delivers durable protection, lowering maintenance and replacement costs over time. Standardized dimensions and compliance with NEC/CEC also streamline procurement and reduce project risk in mid-size electrical infrastructures.