Eaton TP622 Octagon Box - NEC/CEC
Part Number: TP622
Quick Summary
Eaton TP622 Octagon Box is a steel, 4-inch concrete box designed for surface-mounted electrical installations in industrial enclosures. Facilities often struggle with corrosion resistance, misaligned knockouts, and noncompliant wiring practices in busy plants. This model meets NEC/CEC standards, UL listings for the US and Canada, and offers 29 cubic inches of capacity with 1/2 and 3/4 inch single-row knockouts. Its steel construction delivers long service life in demanding environments, while standard knockouts simplify field wiring. For procurement, compatibility with Eaton Crouse-Hinds catalogs and steel outlet-box guides delivers faster, cost-efficient deployments. Its compact 4 inch footprint and 2-1/2 inch depth reduce space penalties in crowded control panels, supporting scalable, reliable installations.
Product Information
Extended Description
TP622 Eaton: Eaton Crouse-Hinds series Octagon Concrete Box, 4", 2-1/2", Steel, 1/2" and 3/4" single row, 29.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon concrete box
Catalog Number
TP622
UPC
786189106220
Product Length/Depth
4 in
Product Height
2.5 in
Product Width
4 in
Product Weight
0.72 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Material
Steel
Box size
4"
Depth
2-1/2"
Side knockouts
1/2 in and 3/4 in single row
Capacity
29 cubic in
Crouse-Hinds series 4-Inch Steel Octagon Concrete Boxes catalog page
4-Inch Steel Octagon Concrete Boxes UL certification
4-Inch Steel Octagon Concrete Boxes UL certification
Steel Outlet Boxes for Electrical Systems
Steel Outlet Boxes for Electrical Systems
Feature: The TP622 is a 4-inch steel octagon concrete box with a 29 cubic inch capacity. Business Impact: Its rugged steel enclosure protects connections in harsh environments, minimizing maintenance and rework. Application: Perfect for surface-mounted control panels and machinery wiring in industrial facilities. Feature: 1/2 inch and 3/4 inch single-row knockouts on the sides. Business Impact: Flexible conduit routing reduces install time and opportunities for damage during field wiring. Application: Suitable for NEC/CEC-compliant installations in ordinary locations. Feature: NEC/CEC certification and UL listings support regulatory compliance. Business Impact: Ensures safe operation and reduces risk of non-compliant installations. Application: Applicable to USA and Canada industrial sites needing formal certification. Feature: Compatibility with Eaton Crouse-Hinds steel outlet boxes lineup and spec guides. Business Impact: Streamlines procurement and simplifies inventory management across projects. Application: Integrates with existing electrical infrastructure and reduces selection errors. Feature: Compatibility with standard 4-inch box openings and 2-1/2 inch depth. Business Impact: Keeps installation footprint consistent with existing panels, lowering redesign costs. Application: Ideal for retrofits and new builds in non-hazardous environments. Feature: Ordinary/Non-Hazardous Locations suitability with NEC/CEC alignment. Business Impact: Regulatory peace of mind and predictable maintenance cycles. Application: Widely used across manufacturing and processing facilities.
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FAQs
The TP622 features 1/2 inch and 3/4 inch side knockouts in a single row, with a total capacity of 29 cubic inches. This combination supports flexible conduit routing while providing ample space for splices and terminations in non-hazardous environments. The 4-inch box footprint and 2-1/2 inch depth facilitate straightforward field wiring in standard control panels.
Yes. TP622 is designed to NEC/CEC standards and has UL certification listings for both the United States and Canada, confirming regulatory compliance for ordinary/non-hazardous locations. This reduces risk during inspections and supports compliant installations across North America.
TP622 is ideal for surface-mounted control panels, junction boxes, and equipment enclosures in manufacturing and processing facilities. Its 29 cu in capacity, durable steel construction, and compatible knockouts support wiring for motors, sensors, and control devices while aligning with standard Eaton Crouse-Hinds systems.
TP622 combines a standard 4-inch size with 1/2 and 3/4 inch knockouts, simplifying conduit routing and field wiring. Its compatibility with Eaton Crouse-Hinds catalogs reduces procurement time, and its UL/NEC/CEC certifications minimize rework risk, delivering faster, compliant installations with predictable maintenance cycles.
In ordinary locations, TP622 offers durable steel protection for splices and terminations, reducing corrosion-related maintenance. The box’s standardized dimensions and knockouts speed up installation, lowering labor costs and downtime, while regulatory compliance minimizes inspection and retrofit expenses—leading to a favorable total cost of ownership over the system lifecycle.