Eaton 4412 GRTGV NK Wiring Trough - NEMA 3R, 16 GA
Part Number: 4412 GRTGV NK
Quick Summary
Wiring trough is a rugged channel designed to organize and protect electrical conductors in industrial control panels. This Eaton 4412 GRTGV NK model addresses common field-install challenges by providing a secure screw-cover, embossed mounting holes, and corrosion-resistant galvanized steel. Certified for safety and reliability, it carries CSA C22.2 UL Listed marks and a NEMA 3R rating, making it suitable for indoor and outdoor installations. With a 4x4x12 in footprint and 16-gauge construction, it integrates smoothly with other B-Line components, delivering faster installations and long-term cost savings for automation projects.
Product Information
Extended Description
4412 GRTGV NK Eaton: Eaton B-Line series wiring trough, 4" height, 12" length, 4" width, GRTGV NK wiring trough, Embossed thru holes, No knockouts, Screw cover, NEMA 3R, Galvanized steel, Plated screws, Gray, 16 gauge
Product Name
Eaton B-Line series wiring trough
Catalog Number
4412 GRTGV NK
UPC
782051008265
Product Length/Depth
12 in
Product Height
4 in
Product Width
4 in
Product Weight
4.339 lb
Certifications
CSA C22.2. UL Listed
Material thickness
16 gauge
Finish color
Gray
Closure type
Plated screws
Mounting method
Embossed thru holes
Special features
Cover is held secure by flange and plated screws
Type
GRTGV NK wiring trough
Feature: 4x4x12 in footprint and 16 gauge galvanized steel. Business Impact: Provides a rigid, corrosion-resistant backbone for panel wiring, reducing maintenance cycles and extending service life in harsh environments. Application: Ideal for industrial automation panels and switchgear housings where durable routing is required. Feature: Gray finish with embossed thru holes. Business Impact: Enhances aesthetic integration with equipment and ensures precise, repeatable mounting, speeding up installation. Application: Panel builds across manufacturing lines where consistent hole patterns matter. Feature: No knockouts and screw cover with flange and plated screws. Business Impact: Reduces ingress points and protects conductors while enabling quick service access when needed. Application: Enclosures requiring secure sealing and straightforward maintenance. Feature: NEMA 3R rating and UL/CSA listings. Business Impact: Provides weather-resistant performance and regulatory compliance, lowering risk and enabling outdoor or semi-exposed applications. Application: Outdoor panels, weather-protected locations, and damp environments. Feature: Mounting method is embossed thru holes. Business Impact: Simplifies alignment and fastens to panels with consistent spacing, cutting installation time. Application: New builds and retrofit projects where standard mounting patterns are critical. Industry context: The Eaton B-Line line is designed for compatibility with common electrical distribution components, enabling faster project execution, reduced part variety, and smoother procurement for industrial facilities. The combination of 16 gauge steel, galvanized finish, and secure cover mechanisms translates into reliable conductor management with predictable maintenance costs.
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FAQs
To install, align the trough with the panel mounting surface using the embossed thru holes for a consistent pattern. Secure the trough with the provided flange and plated screws to ensure the screw cover remains flush. Since there are no knockouts, route conductors through the interior openings and attach a cover as needed for additional protection. Verify NEMA 3R suitability for outdoor or damp environments and ensure proper grounding where required.
The trough measures 4 inches in height, 4 inches in width, and 12 inches in length. It is constructed from 16-gauge galvanized steel and finished gray. The unit weighs approximately 4.339 lb and is designed for embossed thru holes with a screw-covered closure using plated screws. These specs support robust mechanical protection and long service life in industrial environments.
Yes. The trough carries a NEMA 3R rating, which provides weather resistance suitable for outdoor or humidity-prone indoor environments. Galvanized steel adds corrosion resistance, while the gray finish helps blend with industrial equipment. This combination supports reliable performance in exposed locations without compromising electrical safety or durability.
The product is UL Listed and CSA C22.2 certified, indicating compliance with recognized safety standards for electrical components. These certifications reduce procurement risk, support regulatory compliance for commercial and industrial installations, and provide assurance to engineers and maintenance teams that the trough meets reliability and safety requirements for critical wiring infrastructure.
The 4412 GRTGV NK combines durable galvanization, 16-gauge steel, and a secure screw-cover design to minimize maintenance and rework. Embossed mounting holes speed installation, while the NEMA 3R rating expands usable environments, reducing replacement costs and downtime. Compatibility with Eaton B-Line components further lowers total part counts and accelerates project timelines.