Eaton TP450MSB 4-In Square Outlet Box - NEC/CEC
Part Number: TP450MSB
Quick Summary
TP450MSB square outlet box by Eaton provides NEC/CEC-compliant enclosure for industrial installations. It simplifies conduit management and reduces field rework with welded construction. Certified for ordinary/non-hazardous locations with NEC/CEC standards compliance, supporting safe, code-compliant installations. Designed for 4-inch steel square boxes and covers, it speeds sourcing and reduces total cost of ownership. Its NM clamps and durable construction help minimize maintenance and improve panel reliability. With a 30.3 cubic inch capacity and multiple knockouts, it accommodates standard wiring layouts and eases field wiring. Overall, it blends compliance, ruggedness, and ease of installation to support faster project timelines.
Product Information
Extended Description
TP450MSB Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", MSB, 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
TP450MSB
UPC
662279019765
Product Length/Depth
4 in
Product Height
2.13 in
Product Width
4 in
Product Weight
0.8 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
Bracket style
MSB
Construction
Welded
Side knockouts
(4) 1/2 in, (2) 1/2 in, (1) 3/4 in E
Bottom Knockouts
(1) 1/2 in
Material
Steel
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-In square steel box with welded construction and MSB bracket style. Business Impact: provides a rugged enclosure that resists vibration and impact, reducing panel downtime and maintenance costs. Application: ideal for mounting in factory control panels and machine enclosures in demanding environments. Feature: 30.3 cubic inch capacity with multiple knockouts. Business Impact: enables more wiring pathways and reduces the need for additional boxes or extensions, speeding wiring and setup. Application: supports complex wiring harnesses and NEC/CEC-compliant terminations in automated lines. Feature: Side knockouts (4x 1/2 in, 2x 1/2 in, 1x 3/4 in E) and bottom knockout (1x 1/2 in). Business Impact: flexible conduit entry configuration improves routing and wiring density. Application: simplifies field wiring in confined control panels and equipment housings. Feature: NM clamps included. Business Impact: streamlines cable termination and improves strain relief, reducing field wiring errors. Application: suitable for standard NM cable runs in non-hazardous locations. Feature: Material and construction (steel, welded). Business Impact: durable housing resists wear from routine maintenance and installation handling, lowering replacement costs. Application: reliable choice for industrial enclosures in ordinary locations, aligned with NEC/CEC guidance. Feature: Area classification Ordinary/Non-Hazardous Locations and NEC/CEC compliance. Business Impact: ensures code-conforming installations that meet industry safety standards, reducing compliance risk. Application: ideal for general industrial machinery, panels, and electrical infrastructure in non-hazardous settings.
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FAQs
When installing the TP450MSB, ensure you align the MSB bracket with mounting surfaces and use the side and bottom knockouts to route NM cables efficiently. Utilize the NM clamps provided to secure cables and minimize strain on terminations. Check that the enclosure remains within ordinary/non-hazardous location guidelines per NEC/CEC and install in a clean, dry environment to maximize longevity.
The TP450MSB is a 4-inch square steel box with a 30.3 cubic inch capacity and four side knockouts plus two additional 1/2 inch side knockouts and a 3/4 inch E knockout, along with one 1/2 inch bottom knockout. It uses NM clamps for wire entry and features welded construction with an MSB bracket for secure mounting.
Yes. The TP450MSB is designed for Ordinary/Non-Hazardous Locations and adheres to NEC/CEC standards, ensuring code-compliant installations for general industrial panels, control stations, and electrical infrastructure in non-hazardous environments.
The welded steel construction provides a durable enclosure that tolerates vibration, reducing panel downtime. NM clamps simplify cable termination, and the multiple knockouts offer flexible routing, which speeds wiring layouts and minimizes field rework in manufacturing environments.
TP450MSB is a 4-inch square box listed for use with standard 4-inch square box catalogs. It is compatible with NM cables and standard conduit entries, making it easy to source alongside other Eaton Crouse-Hinds steel square boxes and covers for consistent panel builds and warehouse procurement.