Smooth Setup. Zero Hassle. Pure T Box™.

The Winnie Industries T Box™ is an innovative junction box designed to streamline electrical installations by eliminating the need for bends or offsets, allowing conduit runs to enter straight in. Its patented design reduces installation time and labor costs, making it the preferred choice for prefab projects. With extra deep capacity, it provides ample space for dimmers, cameras, speakers, strobes, signals, and other electronic devices used in commercial and industrial applications. Built with galvanized steel construction for durability, it features multiple knockout sizes for flexibility and a raised ground for easier installation, ensuring a reliable and efficient solution for complex wiring setups.

Product Features

T Box No Bends. No Hassle.

Eliminate Offsets

Engineered for clean, straight-entry conduit alignment—streamlining installation, reducing strain, and ensuring a professional finish
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Easier Wire Pulls

Accelerates timeline with rapid prefab integration—streamlining workflows, reducing onsite labor, and driving smarter jobsite performance
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Save Install Time & Labor Cost

Engineered to simplify complex layouts—eliminating conduit bends, cutting labor costs, and ensuring precision from planning to final pull
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Extra Capacity

Provides ample room for complex wiring configurations, deep-profile apparatus, and future additions
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Great Durability

Crafted from heavy-duty pre-galvanized steel for lasting durability, corrosion resistance, and dependable performance
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UL and CUL Approved

Meets key industry standards for electrical junction boxes—rated for use in circuits up to 600V to ensure safe, code-compliant performance in commercial, industrial, and residential applications

Square Boxes

T Box™ 4″ Square Electrical Junction Box

Eliminate the need for bends or offsets by allowing the conduit runs to enter straight into the box

T Box™ 4-11/16″ Square Electrical Junction Box

Eliminate the need for bends or offsets by allowing the conduit runs to enter straight into the box

Square Boxes with Hanger

Junction T Box with Hanger Bracket

Eliminate the need for bends or offsets by allowing the conduit runs to enter straight into the box

Life Safety Boxes

T Box™ 4″ Square Electrical Junction Box Red

Red for dedicated life safety alarm circuits

T Box™ 4-11/16″ Square Electrical Junction Box Red

Red for dedicated life safety alarm circuits

Covers

Single- or Double-Gang Device Cover, 1/2″ Raised

Device cover for the T Box

Hangers

Conduit/Box Support Hanger

Streamlined and dependable approach to overhead electrical box and conduit installation that ensures mechanical support and code compliance

Applications

Effectively supports:

  • Junctions, switches, receptacles, or lighting fixture connections
  • Multiple conductor runs are split into two or more directions
  • Dimmers, cameras, speakers, strobes, signals and electronic devices where extra depth is needed
  • Suitable for use without a bonding jumper in circuits up to 600 volts

Use in:

  • Data Centers
  • Commercial and Office Buildings
  • Industrial and Manufacturing
  • Warehouses and Distribution Centers
  • Food and Beverage
  • Restaurants and Bars
  • Retail and Convenience Stores
  • Hospitality and Convention Centers
  • Hospitals and Medical Centers
  • Schools and Colleges
  • Energy and Renewables
  • Theaters and Concert Venues
  • Multi-Unit Buildings

Standards & Certifications

UL Listed

 

 

All cULus Listed products meet the following UL standards: UL 514-A, CSA C22.2 No. 18.1

Please note not all items are cULus listed.

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    Winnie Industries is committed to providing innovative electrical junction boxes to support the needs of various industries. Look to us to engineer and manufacture innovative solutions that uphold innovation, strength, and dependability.

    Winnie Industries products must be installed and used strictly according to our product instruction sheets or designated training. They should never be utilized beyond their intended purpose or in a way that exceeds specified load ratings. Proper fastening support is critical for maintaining system integrity and functionality, requiring secure fastening to structural components. The structural elements where our products are installed must be structurally sound and capable of safely supporting imposed loads. All installations must comply with governing codes, regulations, and job site requirements. Always consult your Authority Having Jurisdiction (AHJ) for specific regulatory guidelines.