Eaton TP440PF Square Outlet Box - 30.3 cu in capacity
Part Number: TP440PF
Quick Summary
The Eaton TP440PF square outlet box provides a durable 4-inch enclosure for wiring connections in control panels and equipment rooms. Installers often grapple with limited knockouts and ground termination options, which can stall projects. It meets NEC/CEC standards and is suitable for Ordinary/Non-Hazardous Locations, ensuring safe installations and regulatory compliance. The welded steel construction and 30.3 cubic inch capacity support rugged industrial environments, while NM clamps and a ground screw with pigtail simplify setup. For projects needing a reliable Crouse-Hinds steel square box, this model delivers long-term value and installation efficiency, with compatible dimensions for standard 4-inch box openings and predictable fit.
Product Information
Extended Description
TP440PF Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", NM clamps, Welded, 2-1/8", Steel, (2) 1/2", (1) 1/2", (1) 3/4" E, Includes ground screw with pigtail lead, 30.3 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP440PF
UPC
662279000718
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
1.12 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
NM clamps
Construction
Welded
Side knockouts
(2) 1/2 in, (1) 1/2 in, (1) 3/4 in E
Bottom Knockouts
(1) 1/2 in
Material
Steel
Special features
Includes ground screw with pigtail lead
Crouse-Hinds series 4-Inch Steel Square Boxes and Covers catalog page
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
4-Inch Steel Square Outlet Boxes, Covers, Extension Rings Canadian certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
Feature: 4-inch square box size with welded steel construction. Business Impact: Provides a rugged, space-efficient enclosure that fits standard 4-inch openings and resists mechanical stress in demanding environments. Application: Ideal for control panels and wall-mounted electrical installations in industrial settings. The combination reduces field modifications and accelerates panel wiring. Long-tail keywords: 4 inch steel square outlet box, welded steel enclosure, standard 4-inch box openings.Feature: 30.3 cubic inch capacity. Business Impact: Supports typical splices and conductor counts without crowding, improving wire management and reducing rework. Application: Suitable for NM cables and device terminations in compact control panels. This capacity supports clean, compliant layouts in industrial installations. Long-tail keywords: 30.3 cubic inch capacity, conductor management, space planning for panels.Feature: NM clamps and bottom/side knockouts. Business Impact: Flexible routing with side knockouts (two 1/2 in, one 1/2 in, one 3/4 in E) and a bottom knockout (1/2 in) enables neat wiring and reduces conduit adaptations. Application: Fast, compliant installations in equipment racks and apparatus housings. Long-tail keywords: NM clamps, side knockouts, bottom knockout, flexible entry.Feature: Ground screw with pigtail lead included. Business Impact: Simplifies grounding and reduces additional hardware, lowering installation time and risk of improper grounding. Application: Essential for safe, code-compliant splices in ordinary locations. Long-tail keywords: grounding screw with pigtail, included ground accessory, electrical grounding.Feature: Certifications and compliance. Business Impact: NEC/CEC compliant design for Ordinary/Non-Hazardous Locations ensures regulatory readiness and minimizes inspection issues. Application: Suitable for general industrial and commercial wiring in non-hazardous environments. Long-tail keywords: NEC/CEC compliant, Ordinary/Non-Hazardous Locations, code-aligned enclosure.
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FAQs
The TP440PF provides side knockouts including two 1/2 in openings, one additional 1/2 in opening, and one 3/4 in E knock-out, plus a bottom knockout of 1/2 in. This combination supports flexible wiring routes for NM cables and conduit entries while maintaining enclosure integrity and tool-free access during wiring.
Yes. This box is designed for Ordinary/Non-Hazardous Locations and adheres to NEC/CEC standards, enabling compliant installations in typical commercial and light industrial settings. Its welded steel construction and grounded wiring options help meet common regulatory requirements with reduced risk during inspections.
Install NM clamps as specified for NM cable entries on the sides or bottom openings. The TP440PF includes a ground screw with a pigtail lead, simplifying grounding by providing a ready-made grounding path without additional accessories, which can shorten wiring time and improve reliability.
Best suited for control panels, equipment housings, wall-mounted electrical installations, and industrial enclosures requiring a 4-inch square footprint. Its 30.3 cu in capacity and multiple knockouts make it adaptable for moderate wiring Density in non-hazardous environments, supporting efficient panel wiring and maintenance.
Its welded steel construction delivers durability and long service life in harsh environments, while the included ground screw with pigtail and NM clamps reduce field hardware needs. The 4x4 footprint, 30.3 cu in capacity, and flexible knockout options minimize rework and commissioning time, improving overall project ROI.