NEMA Hinge Cover Wireway | UL870 Listed Wiring Trough Fittings

Description of NEMA Hinge Cover Wireway

Winwin NEMA hinged cover wireway is fully UL 870 Listed and manufactured in strict accordance with NEMA industry standards. Designed specifically for housing, protecting, and organizing electrical wiring in commercial and industrial environments, this wireway system provides reliable protection against falling dirt, dust accumulation, and incidental physical contact.

The unique hinged cover design allows easy access from all sides, enabling fast installation, complete wire lay-in, and convenient future inspection, rewiring, and maintenance without disassembling the entire trunking system. This modular wireway is fully compatible with a comprehensive range of standard accessories, including 45° elbows, 90° elbows, tees, crosses, reducers, end caps, flanges, and straight connect couplers, supporting flexible layout changes and complete trunking routing for complex on-site electrical systems.

Finish

Winwin NEMA hinged cover wireway is available in multiple high-quality surface finishes to adapt to indoor, outdoor, and corrosive working environments. Standard finish options include pre-galvanized steel, hot-dip galvanized (HDG), and durable powder-coated finishes. All surface treatments deliver excellent anti-rust, anti-corrosion, and weather-resistant performance, ensuring long-term structural stability and clean appearance throughout the product service life.

Construction

Winwin hinged wireway is precision fabricated from code-gauge industrial steel in full compliance with UL 870 and NEMA specifications for maximum rigidity and structural reliability. Standard sizes include 2.5×2.5 inch (63.5×63.5 mm), 4×4 inch (102×102 mm), and 6×6 inch (152×152 mm). All standard sizes feature integrally formed heavy-duty hinges, ensuring smooth opening and closing, tight closure, and repeated use without deformation or loosening.

The rigid one-piece steel construction minimizes bending, vibration, and structural distortion, providing stable wiring protection for low-voltage and control cable systems in industrial plants, mechanical rooms, and commercial building electrical projects.

Standard of Hinged Cover Wireway and Wiring Trough With/Without Knockouts

      (1) UL870 Listed

     (2) NEMA Standard

Application of Hinged Cover Wireway With/Without Knockouts

Hospital, clean room, supermarket, high-end commercial decoration    

     (1) Houses runs of control and powder cable;

     (2) Used for cable and wire junction, distribution and termination;

Construction of Winwin Hinged Cover Wireway With/Without Knockouts

l  Wireway have cover which are attached with formed hinges on one side;

l  Wireway body has mounting holes on the back;

l  Wireway is available with or without knockouts on the top and bottom sides;

l  Wireway fittings have no knockouts,ends are available with or without knockouts;

l  Wireway body and cover are fabricated from code gauge steel;

Material & Finish Available

     (1) Pre-Galvanized / PG / GI – for indoor use to AS1397;

     (2) Hot Dip Galvanized / HDG – for outdoor use to BS EN ISO 1461;

     (3) Powder Coated or Paint – for indoor use to JG/T3045;

Drawing for Hinged Cover Wireway With/Without Knockouts

Galvanized Hinged Cover Wireway With/Without Knockouts

This pre-galvanized steel wireway features an integrated hinged cover design for simplified cable installation, routine inspection, and system maintenance. The full protective cover is connected to the wireway body via cold-formed one-piece hinges, enabling smooth flip opening, tight sealing, and convenient tool-free cable access. The user-friendly structure effectively speeds up on-site wiring procedures while maintaining a tidy and standardized electrical layout.

Uniformly positioned pre-punched mounting holes on the rear panel ensure full compatibility with standard mounting brackets and wall fixtures. This universal fit greatly simplifies field installation, shortens construction cycles, and delivers clean, organized wiring results for commercial and industrial electrical systems.

To accommodate diverse cabling layouts, the wireway is available in two structural configurations: pre-stamped knockouts or solid plain sides on both top and bottom surfaces. Precision knockout openings allow flexible directional cable outlets, supporting multi-branch routing and categorized wire management for complex electrical designs.

All supporting accessories, including straight couplings, elbows, and tee fittings, come in solid non-knockout construction. Wireway termination ends are offered with optional knockout or plain-side designs, ensuring seamless matching, unified assembly, and consistent structural integrity across the entire wireway system.

Crafted from high-grade code gauge steel, the wireway and hinged cover feature rigid one-piece construction with outstanding load-bearing capacity and deformation resistance. Finished with premium pre-galvanized treatment, the trunking delivers reliable oxidation resistance in dry indoor environments and provides significant cost-performance advantages for standard commercial electrical projects.

Galvanized Wireway FAQ

Q1: Can pre-galvanized wireway resist rust during long-term indoor service?

A: Pre-galvanized wireway maintains stable anti-rust performance in dry indoor environments such as office buildings and commercial malls. However, it is not suitable for humid, wet, or coastal salt-air conditions, where accelerated oxidation may occur.

Q2: What are the cost benefits of pre-galvanized wireway compared with HDG wireway?

A: Pre-galvanized wireway offers approximately 20% to 30% cost savings over hot-dip galvanized alternatives. It serves as the most economical and practical solution for budget-friendly indoor electrical wiring projects.

Bending Components And Brackets for Hinged Cover Wireway With/Without Knockouts

We produce and supply all kinds of bending components, bracket and other wireway accessories.

Schematic Diagram Of Hinged Cover Wireway With/Without Knockouts

Production Process

Annual Production Capacity: 5000 Tons

With a large-scale production base, we are fully capable of supporting large orders, mass production, and ensuring stable and on-time delivery for global customers.

Strict Quality Control System

We implement a complete 5-step inspection process from raw material procurement to finished product delivery, strictly controlling every detail to ensure products meet international standards. All our cable trays and strut channels are certified by UL, CE, NEMA, SGS, and ISO9001.

Customization Service

We provide professional OEM & ODM services, supporting customization in size, surface treatment, load capacity, hole patterns, and other specifications to meet different project requirements.

Professional After-Sales & Technical Support

Our experienced after-sales team offers reliable technical support, on-site guidance, and customized solution design for your industrial and construction projects.

Packing And Delivery For Cable Tray

1.In bundle

2.Wrapping Film,plastic tape, Plywood pallet.

3.Plywood Pallets is optional for electric cable trunking

4.Carton for accessories

5.As per requirements

Installation Case On Site For Winwin Cable Tray System

Main Application

Certificate

Founded in 2006, Winwin Group has obtained certifications including UL, cUL,CE, SGS, ISO9001, ISO14001, ISO45001,IEC 61537-2006 and NEMA VE 1-2009.

Winwin is a professional manufacturer and supplier of a full range of cable management solutions, specializing in the design, production, and export of high-quality products. Our main products include pre-galvanized steel cable trays, hot-dip galvanized cable trays, powder coated cable trays, fire-resistant steel cable trays, stainless steel cable trays, basket cable trays, wire mesh cable trays, perforated cable trays, cable trunking, cable ladders, hinging cable trays, ZAM cable trays, large-span cable tray, aluminum cable trays, FRP cable trays, strut channels, and complete cable tray accessories.

Our premium cable trays and strut channels are widely used in commercial buildings, power plants, industrial workshops, hospitals, subways, data centers and other construction & electrical projects. They serve cable management, hoisting systems, industrial power distribution and building electromechanical engineering.We deliver stable quality, reliable performance and competitive pricing, offering cost-effective solutions for industrial and commercial projects across the globe.

Boasting 20 years of manufacturing and exporting experience, we have built an extensive global sales network and serve more than 70 countries and regions around the world, including the United States, Spain, Germany, Australia, New Zealand, and many others. We are committed to offering stable quality, on-time delivery, and professional services to global customers.

Welcome to contact us for long-term win-win cooperation.