Eaton TP4MPF Square Outlet Box - 4 in Steel NEC/CEC
Part Number: TP4MPF
Quick Summary
The Eaton TP4MPF Square Outlet Box provides rugged 4-inch square enclosure functionality for control panels and equipment junctions. Installers often struggle with crowded wiring, limited knockouts, and grounding continuity in harsh environments. This box carries NEC/CEC compliance and UL certification references to support code-compliant installations in ordinary locations. With welded steel construction, a pigtail ground option, and flexible mounting brackets, it reduces labor time and project costs. Designed for compatibility with the Crouse-Hinds line, it delivers reliable enclosure performance while simplifying procurement and field installation for industrial applications.
Product Information
Extended Description
TP4MPF Eaton: Eaton Crouse-Hinds series 4" square outlet box, (2) 1/2", (2) 1/2"+ 3/4" E bottom KOs, Solid wire, S bracket, Double bracket, Welded, 2-1/8" depth, Steel, (8) 1/2", (4) 1/2" + 3/4" E side KOs, Includes pigtail, 30.3 cu in
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP4MPF
UPC
662277115636
Product Length/Depth
4 in
Product Height
3 in
Product Width
6 in
Product Weight
0.96 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
30.3 cubic inch capacity
Depth
2-1/8"
Bracket style
S
Construction
Welded
Box ground wire
Solid
Side knockouts
(8) 1/2", (4) 1/2" + 3/4" E side KOs
Bottom Knockouts
(2) 1/2", (2) 1/2"+ 3/4" E bottom KOs
Configuration
Double bracket
Material
Steel
Special features
Includes pigtail
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 - TP4MPF
Eaton Specification Sheet - TP4MPF
Feature → Business Impact → Application: The TP4MPF uses welded steel construction for a robust, vibration-resistant enclosure, improving long-term reliability in harsh industrial environments and reducing field maintenance costs in control panels. Application: suitable for heavy-duty electrical assemblies in manufacturing lines where uptime matters. Feature → Business Impact → Application: Four inch square box with a depth of 2-1/8 inches and a capacity of 30.3 cubic inches provides ample wiring space, enabling easier conductor routing and better thermal management, which translates to faster wiring and lower error rates during panel assembly. Application: control panels and junction boxes in machine rooms and outdoors (where allowed by location classification). Feature → Business Impact → Application: (8) 1/2" side knockouts and (4) 1/2" + 3/4" E side knockouts plus (2) 1/2" + (2) 1/2" + 3/4" E bottom knockouts offer flexible routing options, reducing install time and ensuring code-compliant terminations. Application: adaptable to complex wiring schemes in automation cabinets. Feature → Business Impact → Application: Includes pigtail wiring ground and solid ground wire for reliable grounding continuity, speeding up safety compliance checks and reducing rework. Application: grounded installations in ordinary locations. Feature → Business Impact → Application: S-bracket double-bracket configuration provides versatile mounting and secure panel attachment, improving alignment accuracy and reducing field rework. Application: machine enclosures requiring secure, repeatable mounting.
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FAQs
Consider knockout planning, using the eight 1/2" side knockouts and the four 1/2" + 3/4" E side knockouts for routing conductors. Use the included pigtail for grounding and take advantage of the S and double-bracket configurations to align and mount the box securely within control panels or junction boxes.
Yes. The TP4MPF is designed for ordinary/non-hazardous locations and adheres to NEC/CEC standards. It is UL certified, supporting regulatory compliance and safe operation in standard industrial environments.
The box is 4 inches square with a 2-1/8 inch depth and a 30.3 cubic inch capacity. It features welded steel construction, solid ground wire, S bracket, and a double bracket configuration, with multiple knockouts on the sides and bottom.
TP4MPF provides (8) 1/2" side knockouts, (4) 1/2" + 3/4" E side knockouts, and (2) 1/2" + (2) 1/2" + 3/4" E bottom knockouts, enabling flexible conductor routing for various wiring schematics and easier termination while maintaining code compliance.
Welded steel construction yields durable enclosure longevity, reducing field failures. The solid ground wire and included pigtail simplify grounding, while the S and double bracket configurations support repeatable, vibration-resistant mounting across multiple panels, lowering maintenance and upgrade costs over the product lifecycle.