Eaton TP459 Square Outlet Box - NEC/CEC Welded Steel
Part Number: TP459
Quick Summary
The Eaton Crouse-Hinds TP459 square outlet box provides rugged 4-inch enclosure for wiring in panels. In tight spaces, installers struggle with bulky enclosures and retrofit delays. This welded steel box features four knockouts, AC/MC clamps, and a 1-1/2 inch depth, helping reduce field rework. It aligns with NEC/CEC standards and UL certifications for ordinary locations, giving engineers confidence in compliance. With 22 cubic inches of capacity, it supports robust conductor fills while enabling standardized, cost-conscious panel layouts across multiple projects.
Product Information
Extended Description
TP459 Eaton: Eaton Crouse-Hinds series Square Outlet Box, (1) 1/2", 4", VMS, 4, AC/MC clamps, Welded, 1-1/2", Steel, (2) 1/2", (1) 1/2", (1) 3/4" E, 22.0 cubic inch capacity
Product Name
Eaton Crouse-Hinds series square outlet box
Catalog Number
TP459
UPC
786189104592
Product Length/Depth
4 in
Product Height
1.5 in
Product Width
4 in
Product Weight
0.89 lb
Area classification
Ordinary/Non-Hazardous Locations
Standards type
NEC/CEC
Box size
4"
Capacity
22 cubic in
Depth
1-1/2"
Conduit/cable
AC/MC clamps
Bracket style
VMS
Construction
Welded
Side knockouts
(2) 1/2 in, (1) 1/2 in, (1) 3/4 in E
Bottom Knockouts
(1) 1/2 in
Cable knockouts
4
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
Eaton Specification Sheet - TP459
Eaton Specification Sheet - TP459
Feature: The TP459 uses a 4-inch steel square box with 22 cubic inches of internal volume and a shallow 1-1/2 inch depth. Business impact: The generous capacity accommodates multiple conductors, splices, and small devices without overbuilding, reducing panel footprint and material costs. Application: Ideal for control panels, motor starters, and junction points where space is at a premium in machinery rooms and process lines. Feature: Welded construction with a welded seam and a VMS bracket style provides rigidity and secure mounting. Business impact: Fewer loose components means improved vibration resistance and longer service life in harsh environments, lowering maintenance intervals and replacement costs. Application: Suitable for factory floors, outdoor-rated interiors, and any installation subject to vibration or frequent access. Feature: Integrated AC/MC clamps support conductor routing in standard electrical installations. Business impact: Streamlines wiring by eliminating separate clamp procurement and alignment steps, shortening installation times and reducing field scrapping due to mismatched fittings. Application: Works with common conduit types in machinery cabinets and control panels. Feature: Multiple knockouts on sides, bottom, and cable entries (two 1/2 in, one 1/2 in, one 3/4 in E side; bottom 1/2 in; four cable knockouts). Business impact: Flexible incoming/outgoing conduit options support a wide range of wiring schemes and future upgrades without rework. Application: Industrial automation panels, safety circuits, and distribution boxes. Feature: Steel construction delivers durable protection for sensitive electronics in ordinary location classes per NEC/CEC. Business impact: Helps meet compliance while delivering safer, longer-lasting installations that reduce downtime and service costs. Application: General purpose industrial enclosures across manufacturing facilities.
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FAQs
TP459 uses a VMS bracket style and welded construction for rigid mounting. It also provides side and bottom knockouts to adapt to various panel layouts, enabling secure mounting in control cabinets and machinery enclosures while maintaining vibration resistance.
TP459 offers 22 cubic inches of internal volume with a 1-1/2 inch depth, providing ample space for conductors, splices, and small devices without expanding the overall panel footprint.
Yes. TP459 is specified for ordinary/non-hazardous locations with NEC/CEC standards compliance and UL certification for common industrial environments, supporting compliant and safe installations.
Absolutely. TP459 includes integrated AC/MC clamps, streamlining wiring and reducing the need for separate components during installation.
Ideal for general automation panels, machine control cabinets, and junction boxes in manufacturing facilities where space is limited and durable protection is required in non-hazardous locations.