Eaton TP636 Octagon Concrete Box - 43 cu in Capacity
Part Number: TP636
Quick Summary
The Eaton TP636 octagon concrete box protects electrical junctions in industrial enclosures and outdoor conduit projects. Maintenance teams struggle with weather exposure, knockout management, and maintaining NEC/CEC compliance across sites. It is NEC/CEC compliant and UL-listed for ordinary/non-hazardous locations, with US and Canadian UL certifications validating safety and reliability. Built in steel, this Crouse-Hinds series outlet box pairs with 4-inch box sizing and dual 1/2-inch and 3/4-inch knockouts for fast, cost-efficient installations. For engineers designing control panels or field splice points, the TP636 reduces rework by providing ready-made mounting, consistent knockout spacing, and predictable cavity volume. Coupled with Eaton's data sheets and catalog references, it streamlines procurement, design reviews, and installation approvals across industrial facilities.
Product Information
Extended Description
TP636 Eaton: Eaton Crouse-Hinds series Octagon Concrete Box, 4", 3-1/2", Steel, 1/2" and 3/4" double row, 43.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series octagon concrete box
Catalog Number
TP636
UPC
786189106367
Product Length/Depth
4 in
Product Height
3.5 in
Product Width
4 in
Product Weight
0.93 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Material
Steel
Box size
4"
Depth
3-1/2"
Side knockouts
1/2 in and 3/4 in double row
Capacity
43 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: Steel octagon body and 4-inch footprint deliver rugged protection for concrete and outdoor installations. Impact: Reduces damage from weather, vibration, and handling, extending enclosure life and lowering maintenance costs. Application: Ideal for junctions and splices in industrial plants, with compatibility for standard conduit fittings. Feature: 43 cubic inch capacity with 1/2 inch and 3/4 inch side knockouts in a double row. Impact: Supports multiple conductors and flexible wiring schemes while minimizing the need for adapters. Application: Streamlines wiring in control panels and field splice points exposed to harsh environments. Feature: NEC/CEC compliance with UL listings for ordinary/non-hazardous locations (US and Canada). Impact: Eases regulatory approvals, reduces project risk, and supports quick audits. Application: Suitable for general purpose electrical installations in commercial and industrial facilities. Feature: 4" box size and 3-1/2" depth with steel construction and modest weight. Impact: Facilitates handling on site, faster installation, and simpler logistics. Application: Preferred for retrofit or new-build conduit runs in restricted spaces. Feature: Accessory and documentation support via catalogs and datasheets (Crouse-Hinds steel outlet boxes). Impact: Improves design accuracy and procurement efficiency, reducing project delays. Application: Aligns with spec guides for steel outlet boxes and enclosure designs.
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FAQs
When installing the TP636, use the 4" box footprint with the 3-1/2" depth and plan for the 1/2" and 3/4" side knockouts in a double row. Ensure the mounting surface is suitable for concrete enclosures and follow NEC/CEC wiring practices. The box is designed for splices and device mounting in rugged industrial environments.
Yes. The TP636 carries UL certifications for ordinary/non-hazardous locations and is listed for both US and Canada, aligning with NEC/CEC requirements. This dual listing supports cross-border projects and simplifies regulatory approvals during commissioning and audits.
The TP636 provides 43 cubic inches of internal capacity and features 1/2 inch and 3/4 inch side knockouts in a double row. This configuration supports multiple conductors and streamlined wiring layouts in control panels and exterior installations.
The TP636 is approved for Ordinary/Non-Hazardous Locations under NEC/CEC standards. It is UL-listed for US and Canada, making it suitable for general electrical installations in industrial facilities, commercial buildings, and exterior applications where non-hazardous conditions prevail.
The TP636 combines a standard 4" steel octagon box with a compact 0.93 lb weight, easing handling and on-site installation. Availability through Eaton catalogs and datasheets accelerates design reviews and procurement, while UL/NEC/CEC certifications help maintain compliance and reduce maintenance-related downtime.