Eaton TP450 Square Outlet Box - 4 in, 30.3 cu in NEC/CEC
Part Number: TP450
Quick Summary
The Eaton TP450 Square Outlet Box is a rugged steel enclosure designed for indoor wiring in control panels and electrical equipment. Engineers often struggle to fit clamps, knockouts, and conductors into a compact footprint while staying code-compliant. This model meets NEC/CEC standards and is rated for Ordinary/Non-Hazardous Locations, with UL-listed Canadian certification references available for cross-border projects. By leveraging welded steel construction and NM clamps, it delivers durable protection and faster installation, reducing panel build time and improving wiring discipline in industrial environments. The TP450 pairs a 4" box size with a 30.3 cubic inch capacity, making it a reliable choice for 4" square outlet box applications in the Crouse-Hinds series.
Product Information
Extended Description
TP450 Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", 4, NM 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
TP450
UPC
786189104509
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.9 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
(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 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: Welded steel construction provides rigid enclosure integrity. Business Impact: Enhances durability and reduces maintenance costs in demanding environments. Application: Ideal for indoor control panels where vibrations or impact resistance are a concern. Feature: NM clamps and side/bottom knockouts offer flexible conduit routing. Business Impact: Simplifies wiring layouts, speeds up pre-wab wiring and reduces field modifications. Application: Perfect for machines and panels with NM cable runs entering the box. Feature: 4" x 4" box size with 2-1/8" depth and 30.3 cubic inch capacity. Business Impact: Maximizes usable internal volume while preserving compact footprint, enabling neat, code-compliant wiring. Application: Suitable for mixed conductor installations and compact electrical enclosures in industrial control panels. Feature: Multiple knockouts: (4) 1/2" side, (2) 1/2" side, (1) 3/4" E, (1) 1/2" bottom, plus 4 cable knockouts. Business Impact: Provides versatile mounting and wiring options, reducing the need for additional fittings. Application: Supports diverse feed configurations for motors, sensors, and PLCs in steel square boxes. Feature: NEC/CEC compliance and Ordinary/Non-Hazardous Location rating. Business Impact: Ensures regulatory alignment, simplifies approval processes, and minimizes risk exposure. Application: Suitable for standard industrial environments and cross-border projects requiring recognized standards.
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FAQs
The TP450 provides (4) 1/2 in side knockouts, (2) 1/2 in side knockouts, (1) 3/4 in E knockout, and (1) 1/2 in bottom knockout, plus 4 cable knockouts. This versatile layout supports NM cable runs and flexible routing, enabling straightforward panel wiring and faster installations in industrial control cabinets.
The TP450 is a 4 in square, 2-1/8 in deep steel box with a 30.3 cubic inch capacity and a weight of 0.9 lb. It uses NM clamps for conduit connections and accommodates multiple knockouts for varied wiring configurations, making it suitable for compact control panel wiring in ordinary locations.
Yes. The TP450 is rated for Ordinary/Non-Hazardous Locations and complies with NEC/CEC standards, aligning with typical industrial wiring codes. This ensures reliable performance in standard factory floors, equipment enclosures, and control panels without requiring special hazardous-location ratings.
Welded steel construction and NM clamp compatibility reduce field modifications and potential fault points. The box’s compact 4 x 4 x 2-1/8 inch footprint, combined with ample internal capacity, simplifies wiring organization, speeds assembly, and minimizes rework costs during future maintenance or expansions.
The TP450 adheres to NEC/CEC standards and is rated for Ordinary/Non-Hazardous Locations. UL Canadian certification references are available for cross-border compliance, supporting international projects and ensuring alignment with regional wiring requirements.