Eaton TP440 Square Outlet Box 4-Inch Steel - NEC/CEC
Part Number: TP440
Quick Summary
TP440 is Eaton Crouse-Hinds square outlet box designed to shield electrical connections in 4-inch steel enclosures for industrial control panels and conduit runs. This compact, welded steel box addresses the common challenge of field-installed boxes cracking or loosening knockouts during service. It is NEC/CEC compliant and UL-listed for 4-inch steel square boxes in Ordinary/Non-Hazardous locations, ensuring regulatory alignment across projects. The TP440 also supports AC/MC cables with built-in clamps and a VMS mounting bracket, delivering dependable installation efficiency. This combination of durability, capacity, and standard-compliant design reduces field rework, delays, and maintenance costs while enabling scalable panel layouts.
Product Information
Extended Description
TP440 Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", VMS, 4, AC/MC clamps, Welded, 2-1/8", Steel, (2) 1/2", (1) 1/2", (1) 3/4" E, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP440
UPC
786189104400
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
1.03 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
Bracket style
VMS
Construction
Welded
Side knockouts
(2) 1/2 in, (1) 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
Eaton Specification Sheet - TP440
Eaton Specification Sheet - TP440
Feature: Welded steel construction and 4-inch box size provide robust protection against impact and ingress; Benefit: reduces field damage and service interruptions; Application: ideal for harsh environments in industrial control panels. Feature: 30.3 cubic inch capacity with prescribed knockouts (side and bottom) and four cable knockouts; Benefit: streamlined wiring layouts and fewer adapters required; Application: supports clean cable management in compact spaces. Feature: AC/MC clamps included and VMS bracket for quick mounting; Benefit: installation time and accessory costs decrease, improving project uptime; Application: ready-to-install in new builds or retrofit. Feature: Ordinary/Non-Hazardous location rating and NEC/CEC standards compliance; Benefit: regulatory confidence and reduced compliance risk; Application: suitable for PLC cabinets, motor control centers, and junction boxes. Feature: Steel construction and welded joints; Benefit: long-term durability and reduced maintenance; Application: industrial automation environments with vibration and temperature variations.
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FAQs
TP440 excels in industrial control panels, junction boxes, and field wiring where a rugged 4-inch square outlet box is required. Its welded steel construction resists impact and corrosion, while the VMS bracket and AC/MC clamps simplify mounting and cabling. Use it in non-hazardous locations to ensure regulatory compliance and long service life in harsh environments.
TP440 is designed for Ordinary/Non-Hazardous Locations and adheres to NEC/CEC standards for metallic outlet boxes. It is listed with UL certification resources for 4-inch steel square boxes, covers, and extension rings, providing regulatory confidence across North American projects. The combination of welded construction and standard-compliant labeling helps streamline approvals and inspections.
TP440 provides side knockouts: two 1/2 in, one 1/2 in E, one 3/4 in E; bottom knockout: 1/2 in; and a total of four cable knockouts. It includes AC/MC clamps and a VMS bracket, enabling direct installation without sourcing additional components. This setup supports straightforward wiring for power and control circuits in compact enclosures.
The welded steel construction and 4 x 4 x 2-1/8 in footprint, plus 30.3 cu in capacity, reduce rework by delivering a durable, ready-to-wire box. The built-in AC/MC clamps and VMS mounting bracket shorten install time, while the 1.03 lb weight eases handling in tight panel interiors. These traits support faster project timelines and fewer field modifications.
TP440 delivers durable protection, regulatory compliance, and installation efficiency, lowering maintenance and replacement costs over the life of a panel. Its steel welded construction and NEC/CEC alignment reduce downtime during inspections, while the integrated clamps and bracket simplify cabling and mounting. This translates to a lower total cost of ownership in automation environments.