Eaton 4418 GRT NK Wiring Trough - CSA Certified UL Listed
Part Number: 4418 GRT NK
Quick Summary
Eaton 4418 GRT NK wiring trough provides a rugged conduit management solution for panel and switchgear assemblies. Facilities struggle with limited knockouts and lid retention, which leads to misrouted cables, maintenance delays, and increased downtime. CSA Certified and UL Listed, with NEMA 3R steel protection and a 16 gauge body, support reliable performance in harsh environments. Built to integrate with Eaton's B-Line series, it reduces installation time and yields scalable, compliant cable management across manufacturing, data centers, and automation facilities. This trough combines durable construction with practical features to improve installation efficiency and long-term reliability.
Product Information
Extended Description
4418 GRT NK Eaton: Eaton B-Line series wiring trough, 4" height, 18" length, 4" width, GRT NK wiring trough, Embossed thru holes, No knockouts, Screw cover, NEMA 3R, Steel, Plated screws, ANSI 61 gray, 16 gauge
Product Name
Eaton B-Line series wiring trough
Catalog Number
4418 GRT NK
UPC
782051441826
Product Length/Depth
18 in
Product Height
4 in
Product Width
4 in
Product Weight
6.046 lb
Certifications
CSA Certified UL Listed
Material thickness
16 gauge
Finish color
ANSI 61 gray
Closure type
Plated screws
Mounting method
Embossed thru holes
Special features
Cover is held secure by flange and plated screws
Type
GRT NK wiring trough
Feature: The 4418 GRT NK utilizes a full 16 gauge steel wall with a precise 4 in by 4 in cross-section and an 18 in overall length, finished in ANSI 61 gray for consistent industrial appearance and corrosion resistance. Business impact: This robust geometry provides high stiffness, excellent load tolerance for cable bundles, and a long service life in demanding environments such as manufacturing floors and equipment rooms. Application: Ideal for panel-mounted wiring distribution in control panels, machine enclosures, and electrical rooms where tight clearances and reliable protection are essential. Feature: Embossed thru holes on the base and lid enable fast, field-ready mounting without altering knockouts, while maintaining tolerances for hardware alignment. Business impact: Reduces installation time, ensures precise alignment, lowers field drilling costs, and improves repeatability across multiple enclosures. Application: Suitable for flat-panel mounting on equipment racks and backplanes in manufacturing lines, packaging systems, and assembly automation. Feature: The cover is secured by a flange and plated screws with a dedicated screw cover to minimize movement and protect the latch area. Business impact: Improves security, tamper resistance, debris exclusion, and simplifies routine maintenance inspections. Application: Reliable in damp, dusty, and washdown environments typical of process lines and outdoor installations. Feature: NEMA 3R-rated protection and ANSI 61 gray finish deliver weather and corrosion resistance for both indoor and light outdoor use. Business impact: Reduces downtime, extends intervals between service, and supports regulatory compliance in harsh environments. Application: Data centers, outdoor equipment, machine sheds, and industrial automation facilities where cable routing stability matters. Feature: Compatibility with Eaton B-Line series and standard wiring trough components, including embossed holes, flange-mounted covers, and standard fastening hardware. Business impact: Streamlines procurement, minimizes spare parts, and supports scalable automation projects across multiple facilities with standardized components. Application: Engineering projects in manufacturing, energy, infrastructure, and process industries seeking reliable, modular wire management.
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FAQs
The 4418 GRT NK is designed for seamless integration with Eaton B-Line series components, featuring embossed thru holes for quick mounting and a secure screw-based cover. This compatibility minimizes part variety, accelerates installation, and ensures a consistent approach to cable routing across multiple enclosures in control rooms and field installations.
Key specs include 18 inch length, 4 inch height, 4 inch width, 16 gauge steel walls, ANSI 61 gray finish, and NEMA 3R protection. It uses embossed thru holes, no knockouts, and plated screws with a screw cover, delivering durable, code-compliant cable management for industrial environments.
Yes. With NEMA 3R protection and a corrosion-resistant ANSI 61 gray finish, the trough is suitable for outdoor or damp indoor spaces, including data centers and manufacturing facilities where reliable weather resistance and long life are critical.
The product carries CSA Certification and UL Listing, signaling compliance with safety and performance standards. These certifications support regulatory requirements for industrial installations and help ensure safe operation in harsh environments.
The embossed thru holes and secure screw cover simplify mounting and future inspections, reducing labor time and maintenance costs. The robust 16 gauge steel construction and weather protection minimize downtime and extend service intervals, delivering a favorable total cost of ownership in manufacturing and automation projects.