Eaton TP838 Octagon Outlet Box - Steel Enclosure NEC/CEC
Part Number: TP838
Quick Summary
Eaton TP838 Octagon Outlet Box is a durable steel enclosure for housing electrical connections in industrial panels. In busy installations, engineers often contend with cluttered knockouts, limited space, and slow wire routing. This box meets NEC/CEC standards and UL certification for ordinary/non-hazardous locations, simplifying compliance across projects. With its 4-inch footprint and 21.5 cubic inches of capacity, it supports multiple conduits and clean wiring layouts. As part of the Crouse-Hinds steel octagon family, it delivers reliable installation as you scale panel architectures and improve field workmanship. The TP838 is designed for straightforward mounting alongside standard covers, reducing rework and service openings, while bottom knockouts offer flexibility (3x 1/2 in, 2x 3/4 in).
Product Information
Extended Description
TP838 Eaton: Eaton Crouse-Hinds series Octagon Outlet Box, (3) 1/2", (2) 3/4", 4", 21.5 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon outlet box
Catalog Number
TP838
UPC
786189108385
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.62 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
21.5 cubic in
Bottom Knockouts
(3) 1/2 in, (2) 3/4 in
Crouse-Hinds series Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans catalog page
Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans UL certification
Steel Octagon Boxes, Covers, Adjustable Bar Hangers and Ceiling Pans UL certification
Eaton Specification Sheet - TP838
Eaton Specification Sheet - TP838
Feature: steel octagon body and 4 inch box size deliver a rugged enclosure that resists impact and accepts multiple conduits. Business Impact: reduces field damage and rework, speeding panel assembly and improving reliability. Application: control panels, junction boxes, and equipment enclosures in harsh industrial environments. Feature: 21.5 cubic inches of capacity and bottom knockouts (3x 1/2 in, 2x 3/4 in) for flexible wiring. Business Impact: enables neat, code-compliant wiring and minimizes the need for additional enclosures. Application: multi-conduit layouts for machines and equipment. Feature: NEC/CEC compliance and UL certification for ordinary locations. Business Impact: simplifies audits and lowers regulatory risk. Application: plant floors and non-hazardous areas. Feature: 0.62 lb weight, 4 in width, 2.13 in height; compatible with covers and bar hangers. Business Impact: easier handling and installation, reduced shipping and labor costs. Application: rapid deployment in evolving control systems. Feature: rugged steel construction resists impact and corrosion while maintaining form factor. Business Impact: long-term reliability and reduced maintenance. Application: industrial automation deployments with steady performance demands.
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FAQs
TP838 provides bottom knockouts configured as three 1/2 inch and two 3/4 inch knockouts, enabling standard conduit connections. With a 4 inch square footprint and 21.5 cubic inches of internal capacity, it accommodates multiple conductors while keeping wiring organized. This setup minimizes the need for aftermarket adaptors and reduces field rework during panel assembly.
Yes. TP838 carries NEC/CEC standards and UL certification for ordinary/non-hazardous locations. This alignment simplifies compliance during inspections and project handoffs, reduces the risk of code non-conformance, and supports regulatory documentation in plant-wide electrical infrastructure projects.
TP838 is a 4 inch square box with a 2.13 inch height, offering 21.5 cubic inches of internal capacity. This compact size fits standard enclosure openings while providing enough space for multiple conductors and connectors, enabling cleaner wiring runs and adaptable layouts in control panels and junction boxes.
Yes. TP838 is compatible with standard covers and mounting accessories from the Crouse-Hinds line, including bar hangers. Its 4 inch footprint, knockouts, and side accessibility support multi-device configurations, enabling scalable panel designs without requiring specialized enclosures.
You can access the Eaton specification sheet for TP838 on Eaton’s site, along with UL certification pages for the Steel Octagon Boxes. These documents provide detailed dimensions, knockout configurations, and compliance statements to support procurement, installation, and audits.