Eaton TP456PF Square Outlet Box - 4 in, 22 cu in, NEC/CEC
Part Number: TP456PF
Quick Summary
The Eaton TP456PF Square Outlet Box provides rugged, space-efficient terminations for industrial conduit systems. Installers often struggle with reliable grounding and accessible knockouts in tight, harsh environments. This model meets NEC/CEC standards and is rated for Ordinary/Non-Hazardous locations, with UL certification pages available for U.S. and Canada. It integrates seamlessly with AC/MC clamps and features welded steel construction for long-term reliability, while the ground screw with pigtail lead simplifies grounding practices. For panel builders and field technicians, the TP456PF delivers consistent performance, helping reduce rework and downtime while supporting compliant, code-ready installations across diverse industrial environments.
Product Information
Extended Description
TP456PF Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", AC/MC clamps, Welded, 1-1/2", Steel, (2) 1/2", (1) 1/2", (1) 3/4" E, Includes ground screw with pigtail lead, 22.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP456PF
UPC
786189000498
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.89 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
22 cubic in
Depth
1-1/2"
Conduit/cable
AC/MC 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 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
Feature: 4-inch square box with 22 cubic inches of capacity. Business Impact: Ample internal space improves wiring readability and allows for future expansion without rework. Application: Ideal for control panels and machine enclosures in automated lines. Feature: 1-1/2 inch depth with compact 4 inch footprint. Business Impact: Enables easier mounting in tight panels and crowded machinery spaces, reducing enclosure depth while maintaining access. Application: Suitable for space-constrained control cabinets and machine housings. Feature: Side knockouts (two 1/2 in, one 1/2 in, one 3/4 in E) and bottom knockout (1/2 in). Business Impact: Flexible conduit routing and simplified field wiring, lowering install time and errors. Application: Wiring terminations in complex assemblies and equipment with mixed conduit needs. Feature: AC/MC clamps included; welded steel construction. Business Impact: Quick, secure wiring with durable mechanical protection, reducing field adjustments post-install. Application: Industrial environments requiring reliable conduit connections to panels. Feature: Ground screw with pigtail lead included. Business Impact: Streamlines grounding, improves safety, and supports consistent electrical performance. Application: All control-panel terminations requiring solid grounding. Feature: Material: Steel; Weight: 0.89 lb; Certifications: NEC/CEC, Ordinary/Non-Hazardous Locations. Business Impact: Durable yet manageable weight for handling and shipping; compliance reduces risk during audits. Application: Everyday use in manufacturing, process, and automation environments.
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FAQs
The TP456PF features side knockouts of two 1/2 in, one 1/2 in, and one 3/4 in E, plus a bottom knockout of 1/2 in. This provides flexible routing for AC/MC cables and reduces the need for field adapters, enabling cleaner wiring runs in control panels and equipment enclosures.
TP456PF has a 22 cubic inch capacity, a 4 inch box size, and a depth of 1-1/2 inches. The overall footprint supports standard 4 in square installations, with ample space for conductors and terminations while keeping a compact profile for crowded panels.
Yes. The TP456PF is designed to NEC/CEC compliant standards and is rated for Ordinary/Non-Hazardous locations, making it appropriate for general industrial environments that require reliable metal enclosure solutions without hazard classifications.
The box includes a ground screw with a pigtail lead, facilitating straightforward and dependable grounding continuity for control circuits and panel terminations, which helps maintain safety and compliance in automated systems.
This 4-inch square steel outlet box is ideal for conduit terminations in control panels, machine enclosures, and other industrial housings. Its welded construction, AC/MC clamps, and versatile knockouts support reliable wiring layouts in manufacturing, process lines, and automation panels.