Eaton TP839 Square Outlet Box - 22 cu in, NEC/CEC
Part Number: TP839
Quick Summary
The Eaton TP839 Square Outlet Box provides a durable enclosure for wiring terminations in industrial panels. Installers often grapple with limited space, numerous knockouts, and tight code requirements that slow projects. It is designed to meet NEC/CEC standards and UL certification, with an ordinary/non-hazardous location rating for safe, compliant installations. The TP839 delivers a compact 4x4 inch footprint, 22 cubic inches of capacity, and an air plenum to support cooling without adding bulk. This makes it ideal for control panels, junctions, and conduit runs in rugged environments, while offering lightweight handling and straightforward field installation for procurement teams seeking reliability and cost efficiency.
Product Information
Extended Description
TP839 Eaton: Eaton Crouse-Hinds series Square Outlet Box, (8) 3/4", 4", Conduit (no clamps), Drawn, 2-1/8", Steel, (8) 3/4", Air plenum, 22.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP839
UPC
786189108392
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.61 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
22 cubic in
Depth
2-1/8"
Conduit/cable
Conduit (no clamps)
Construction
Drawn
Side knockouts
(8) 3/4 in
Bottom Knockouts
(8) 3/4 in
Material
Steel
Special features
Air plenum
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 provides ample space for splices and terminations without creating bulky enclosures. Business Impact: Improves wire management efficiency and reduces field rework, enabling faster panel assembly. Application: Ideal for control panels and machine enclosures in rugged industrial settings. Feature: Eight 3/4 inch side knockouts and eight 3/4 inch bottom knockouts plus conduit compatibility (no clamps) enable flexible routing of multiple conductors. Business Impact: Simplifies wiring layouts, lowers installation time, and supports tidy terminations. Application: Suitable for complex conduit runs in limited spaces. Feature: Steel drawn construction delivers robust durability with reliable protection in industrial environments. Business Impact: Increases enclosure longevity and reduces maintenance costs over time. Application: Suitable for factory floors, assembly lines, and hazardous-free interiors. Feature: Air plenum feature enhances airflow around terminations, supporting effective cooling in crowded panels. Business Impact: Helps prevent heat buildup, improving component life and reliability. Application: Critical in high-density enclosures and equipment closets. Feature: NEC/CEC standards compliance and UL listing provide confidence in code-conformance and safety. Business Impact: Reduces risk of non-compliance penalties and accelerates audits. Application: North American facilities requiring certified steel square boxes. Feature: 4x4 inch footprint with 2-1/8 inch depth and 0.61 lb weight offers a compact, lightweight solution for easier field handling. Business Impact: Lowers shipping costs and simplifies installation in tight spaces. Application: Ideal for installations where weight and space are at a premium.
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FAQs
TP839 accepts conduit through eight 3/4 inch side knockouts and eight 3/4 inch bottom knockouts, with conduit (no clamps) specified. This provides flexible routing, straightforward field mounting, and efficient wire terminations in compact 4x4 inch enclosures, helping installers optimize panel layouts and reduce installation time.
TP839 offers a 4x4 inch footprint with a depth of 2-1/8 inches and a 22 cubic inch capacity. It is constructed from drawn steel and weighs about 0.61 lb, providing a sturdy yet relatively lightweight option suitable for dense wiring terminations in non-hazardous locations.
Yes. TP839 is rated for Ordinary/Non-Hazardous Locations and conforms to NEC/CEC standards with UL certification, making it suitable for non-hazardous indoor applications such as machine control panels, junction boxes, and other steel square box uses in manufacturing facilities.
TP839 carries NEC/CEC standards compliance and UL certification, signaling code conformance and safety for U.S. and Canadian facilities. This reduces risk during audits and supports dependable operation in industrial environments where regulatory adherence is critical.
Choosing TP839 can lower installation time due to its 4x4 inch compact size, ample 22 cu in capacity, and flexible knockouts, reducing rework. The robust steel construction and air plenum support longer component life in dense enclosures, lowering maintenance costs and improving overall reliability in production lines.