Eaton 121272 GRT NK Wiring Trough - CSA UL Listed

Part Number: 121272 GRT NK
Eaton logo
Manufacturer
Eaton
Part number
121272 GRT NK

Quick Summary

GRT NK wiring trough by Eaton organizes and protects cables in electrical enclosures and control panels. This solution helps eliminate tangled wiring and premature wear caused by vibration, dust, and moisture exposure. It is backed by CSA Certified and UL Listed ratings, and it carries a NEMA 3R designation for reliable outdoor and rugged indoor performance. The combination of 16 gauge steel, ANSI 61 gray finish, and embossed thru holes supports durable, maintenance-friendly installations within the Eaton B-Line system. For project teams seeking scalable wiring management with predictable maintenance costs, this trough offers long-term value and compatibility with standard enclosure hardware and mounting methods.

Product Information

Extended Description

121272 GRT NK Eaton: Eaton B-Line series wiring trough, 12" height, 72" length, 12" 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
121272 GRT NK
UPC
782051144963
Product Length/Depth
72 in
Product Height
12 in
Product Width
12 in
Product Weight
62.655 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
Covers are secured by flange and plated screws
Type
GRT NK wiring trough
Feature – 16 gauge steel with ANSI 61 gray finish delivers robust durability in harsh environments, reducing corrosion risk and repaint needs. Business Impact – Lower lifecycle costs through extended service intervals and less downtime due to weather exposure. Application – Suitable for outdoor and industrial indoor installations in control panels and equipment rooms. Feature – 12 in height, 72 in length, and 12 in width provide ample space for high-density cable routing and organized power and data pathways. Business Impact – Improves wiring density management, simplifies future expansion, and speeds assembly and maintenance. Application – Ideal for large-scale panel builds and equipment racks in manufacturing and data center environments. Feature – Embossed thru holes and flange-secured covers enable quick, secure mounting with plated screws. Business Impact – Reduces hardware loss, ensures cover retention during vibration, and simplifies inspections. Application – Used in commercial and industrial enclosures with consistent vibration profiles. Feature – No knockouts design offers controlled access and cleaner routing. Business Impact – Enables precise cable entry planning, improving air flow and reducing contamination. Application – Enclosures requiring customized entries and localized cable management. Feature – NEMA 3R rating and CSA UL certifications confirm compliance and weather resistance. Business Impact – Meets regulatory requirements and minimizes penalties, boosting project acceptance. Application – Outdoor installations and damp environments in harsh industrial settings. Feature – Compatibility with Eaton B-Line system and standard mounting methods supports faster installations. Business Impact – Shortens project schedules and reduces on-site labor. Application – Retrofit and new-build wiring trough deployments across industrial facilities.

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FAQs

The 121272 GRT NK is designed for Eaton B-Line system applications, including electrical enclosures and control panels, with NEMA 3R suitability for outdoor or damp indoor environments, and CSA UL certified compliance for regulated installations.
Key specs include 72 in length, 12 in height, 12 in width, 16 gauge steel construction, ANSI 61 gray finish, and embossed thru holes with flange-secured covers using plated screws. It is rated NEMA 3R and carries CSA Certified UL Listed certificates.
No knockouts means you must plan cable entries precisely where needed, enabling cleaner routing and reduced risk of unintended openings. This supports customized wiring layouts and cleaner enclosure interiors, at the cost of requiring pre-planned access points.
Yes. It carries CSA Certified and UL Listed marks and is rated for NEMA 3R applications, ensuring compliance with essential safety and reliability standards for both indoor and outdoor installations.
The 16 gauge steel construction, durable ANSI 61 gray finish, and secure cover system reduce maintenance downtime and repainting needs while improving wiring organization and future expandability, delivering lower total cost of ownership in busy industrial facilities.