Eaton 121236 GRT NK Wiring Trough - NEMA 3R Steel
Part Number: 121236 GRT NK
Quick Summary
Eaton B-Line wiring trough is a rugged solution for organizing and protecting electrical conductors in industrial enclosures. This product delivers a dedicated channel for power and control wiring, ideal for panel builders and machine rooms. CSA Certified and UL Listed provide regulatory confidence, while the NEMA 3R rating supports rugged indoor and outdoor installations. The ANSI 61 gray finish and 16 gauge steel construction help resist wear and corrosion, reducing maintenance over the life of the system. By pairing with other B-Line components, it accelerates installation, improves wiring discipline, and enhances overall project efficiency for electrical distribution in demanding environments.
Product Information
Extended Description
121236 GRT NK Eaton: Eaton B-Line series wiring trough, 12" height, 36" 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
121236 GRT NK
UPC
782051144758
Product Length/Depth
36 in
Product Height
12 in
Product Width
12 in
Product Weight
34.24 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 secured with plated screws
Type
GRT NK wiring trough
Feature: 16 gauge steel body with ANSI 61 gray finish — Business Impact: robust mechanical protection for run-lengths of wiring, reducing damage during installation and operation; Application: suitable for high-traffic industrial facilities where durability matters. Feature: 12 in height × 12 in width × 36 in length with embossed thru holes — Business Impact: straightforward mounting and alignment, ensuring fast assembly and repeatable layouts; Application: panel rooms and machine areas needing precise channeling. Feature: Embossed thru holes and plated screws for closure — Business Impact: secure mounting and easy service access, cutting maintenance time while improving finished aesthetics; Application: clean-room-like environments and exposed installations. Feature: No knockouts — Business Impact: design flexibility for external connectors and pass-throughs without compromising enclosure integrity; Application: customized wiring routing in complex installations. Feature: NEMA 3R rating with CSA Certified UL Listed — Business Impact: regulatory compliance and location versatility, enabling outdoor or damp environments; Application: outdoor enclosures, protected spaces, and wet-dry facilities. Feature: 12 in length, 12 in width, 36 in length dimensions with ANSI 61 gray finish — Business Impact: predictable footprint and consistent appearance across installations, reducing coordination time with software models and field crews; Application: standardized wiring troughs in large-scale projects with Eaton B-Line accessories.
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FAQs
Plan for embossed thru holes to enable straightforward mounting and alignment with adjacent components. Use plated screws to secure the screw cover, ensuring a neat finish and tamper resistance. The 16 gauge steel body provides structural support for long wiring runs and supports NEMA 3R installations, including outdoor or damp environments. Confirm compatibility with existing Eaton B-Line accessories to optimize enclosure layouts and minimize field modifications.
Dimensions are 12 in height, 12 in width, and 36 in length with a 16 gauge steel body and ANSI 61 gray finish. The unit weighs 34.24 lb and carries CSA Certified UL Listed certification, with a NEMA 3R rating for indoor/outdoor use. The product uses embossed thru holes for mounting, and the cover is secured with plated screws for a clean appearance and secure closure.
Yes. As part of the Eaton B-Line series, this wiring trough is designed to integrate with standard B-Line components, including compatible mounting patterns and accessory fittings. Embossed thru holes align with common fastener layouts, and the ANSI 61 gray finish ensures consistent aesthetics across enclosures. This compatibility streamlines enclosure design, installation, and future expansions.
Ideal for panel enclosures, machine rooms, and outdoor or damp environments where wiring must be organized and protected. Its NEMA 3R rating supports exterior installations, while CSA UL certification ensures regulatory compliance for electrical distribution. Use in industrial facilities requiring durable 16 gauge steel construction, neat wiring routing, and easy maintenance with a screw-covered lid.
The screw-covered lid provides a clean, tamper-resistant finish that reduces dust ingress and simplifies inspection. The embossed thru holes enable quick mounting, decreasing installation time and field labor costs. With a durable ANSI 61 gray finish and 16 gauge steel, the trough resists wear in demanding environments, lowering replacement and maintenance frequency and delivering long-term cost savings.