The Global Top 10 Junction Box Manufacturers

16th Aug 2024

Junction boxes, a type of electrical box, serve a crucial insulation and protection function wherever electrical circuits merge and split, making them an essential infrastructure element across industries worldwide. As electrification proliferates into new sectors, established junction box powerhouses continue expanding their offerings to remain at the forefront.

Junction Box Manufacturers – Top 10 Picks for Junction Boxes

RankManufacturerKey Features
1TOSUNLuxHigh-quality junction boxes, extensive catalog, worldwide certifications, and customer service.
2CZ Electric Co., LtdCertified electrical products, exports to over 50 nations, and strong quality controls.
3KAISER GroupIP-rated fiberglass, aluminum, and steel boxes; fireproof models; technical consultations.
4Hammond ManufacturingNEMA and UL certified plastic and metal boxes; customized panel options; built-in clamps for secure cable management.
5Marechal ElectricEx certified enclosures, compliance with global directives, and connection technology innovation.
6TakachiDie-cast aluminum, stainless steel, and plastics enclosures; bespoke services.
7HuanYe ElectronicsIEC, EN, and UL standard boxes; value-added logistics services.
8PolycaseMilitary-spec tested products; custom engineering capabilities.
9Turck, IncProprietary sensors, interface technology, and fieldbus networking; multilingual support.
10Power WholesaleCertified mild steel or stainless boxes; rapid fulfillment abilities.
11Schneider ElectricGlobal leader in energy management and automation; diverse range of junction boxes, including fan-rated boxes for ceiling fans.
12ABB Ltd.Comprehensive electrical solutions; robust and durable junction boxes for industrial use.
13LegrandInnovative electrical and digital building infrastructures; high-quality enclosures.
14Siemens AGAdvanced technology solutions; reliable junction boxes for various applications, including those with built-in cable clamps.
15Rittal GmbH & Co. KGModular enclosures and junction boxes; extensive customization options.
16Eaton CorporationPower management solutions; durable and efficient junction boxes.
17Hubbell IncorporatedHigh-performance electrical products; versatile junction boxes for residential and commercial use, including options for multiple wires.
18Phoenix ContactElectronic interface and automation technology; innovative junction box designs.
19Weidmüller GroupElectrical connectivity and automation; robust junction boxes for industrial environments.
20OBO BettermannComprehensive range of electrical infrastructure products; high-quality junction boxes, including those designed for wall-mounted light fixtures.

Top 10 Junction Box Brands for Electrical Components

TOSUNLux

tosunlux logo
tosunlux logo

TOSUNLux is a top producer of high-quality junction boxes and other electrical equipment. They have over 30 years of experience and are known for innovation, quality, and great customer service. TOSUNLux offers a variety of plastic boxes that are perfect for installing non-metallic cables.

Their product range includes junction boxes made from stainless steel, aluminum, and plastic. These boxes meet important industry standards and certifications. Some models have built-in clamps for secure cable management. TOSUNLux has global certification experience, helping customers with approval processes. They offer expert advice to find the best box solutions for unique needs.

  • Founded Year: 1991
  • Location: China

CZ Electric Co., Ltd

CZ Electric Co., Ltd has grown to be a leader in certified electrical products by maintaining strict quality controls. Today, they export junction boxes, control panels, light fittings, and more to over 50 countries. CZ Electric was the first in China to earn the prestigious DNV certificate. Their junction boxes are compatible with metal sheathed cables.

The company operates five production units that manufacture NEMA Type 4X and IP66/67 rated boxes. These are ideal for marine, construction, and factory automation applications worldwide. CZ Electric provides attentive service to help international clients meet certification requirements. Their boxes include cable clamps to ensure secure installations.

  • Founded Year: 1990
  • Location: China

KAISER Group

KAISER enters its second century as a privately-owned innovator. Originating as locksmiths, they adapted craftwork into protective electrical enclosures serving shipbuilding, buildings, industry, and beyond. KAISER’s boxes are designed to protect electrical components from environmental factors.

A prime focus remains IP-rated fiberglass, aluminum, and steel boxes; also fireproof models. Offering pre- and post-sale technical consultations aids compliance with evolving European safety directives. Their junction boxes are ideal for organizing and safeguarding multiple wires. Multiple patents attest to continuous improvement of installation-friendly designs.

Founded Year: 1904

Location: Germany

Hammond Manufacturing – Expert in Metal Boxes

Hammond Manufacturing is Canada’s oldest electrical manufacturer, with operations in Cambridge, Ontario. They have expanded with facilities in Taiwan and China, supplying junction boxes globally.

Their products include round electrical boxes perfect for wall-mounted light fixtures. They offer both plastic and metal boxes that meet NEMA and UL safety standards. These boxes are designed to support the fixture’s weight, ensuring safe and secure installations. Hammond also provides customized panel options to fit clients’ specific electronic needs.

  • Founded Year: 1917
  • Location: Cambridge, Ontario, Canada

Marechal Electric

Marechal Electric is renowned for crafting high-quality Ex certified enclosures and connectors. The company remains under the founding family’s governance and operates five production sites. These sites produce modular plastic and stainless steel boxes, which are rated up to IP69 for durability.

Marechal Electric offers both new work boxes and old work boxes, catering to different installation needs. Their products comply with ATEX, IECEx, UL, and other international directives, making them suitable for use in chemical, oil & gas, and pharmaceutical industries globally. Marechal Electric is known for innovating connection technology, such as spring-clamp trunking systems, which simplify installations.

  • Founded Year: 1952
  • Location: Rosières-en-Santerre, France

Takachi

Takachi is a well-known company from Numazu, Japan, established in 1979. They are famous for their high-quality enclosures, which include die-cast aluminum, stainless steel, and plastic options. These enclosures are used in industrial control, medical, and automation sectors.

Takachi offers custom services like laser cutting and printing to personalize enclosures. They are always exploring new materials, such as composite resins, and expanding their product range by acquiring other brands. Takachi provides single gang boxes, perfect for individual switches or outlets. Their approach focuses on finding solutions for clients with specific needs.

  • Founded Year: 1979
  • Location: Numazu, Japan

HuanYe Electronics

Wujin-based HuanYe leapt to prominence through savvy expansion into overseas markets from its beginnings supplying private Chinese firms. With additional plants built across China, annual junction box output reaches the millions. 

HuanYe boxes constructed to IEC, EN, and UL standards serve infrastructure, energy, and factory sectors in over 20 nations worldwide. Value-added services include just-in-time logistics from regional inventory stockpiles.

  • Founded Year: 2004
  • Location: Wujin, China

Polycase – Leading Manufacturer of Plastic Boxes

Polycase has grown into a top producer of protective enclosures for electronics. Their products are tested to meet military specifications, ensuring high quality and reliability. Polycase offers a wide range of boxes, including those designed for mounting light fixtures securely.

Their extensive catalog includes solutions for various applications, from harsh environments to medical carts. With custom engineering capabilities, they can tailor products to meet specific needs. Additional facilities in nine countries provide direct manufacturing support, enhancing their global reach. With over 65 years of experience, Polycase has built a reputation for dependable performance.

  • Founded Year: 1959
  • Location: Princeton, New Jersey, USA

Turck, Inc

Turck is a company that started in Germany in 1912. They expanded to North America in 1965, setting up their headquarters in Minnesota. Today, they have over 4,650 employees working across four continents. Turck is known for making strong and reliable junction boxes that protect electrical components from environmental damage.

Their products include mild steel and stainless steel junction boxes, which are perfect for organizing and protecting multiple wires. Turck also offers additional services, such as integrating sensors and networking technology to enhance their junction boxes. They provide multilingual support and documentation, making it easier for customers worldwide to use their products.

  • Founded Year: 1912
  • Location: Germany, with North American headquarters in Minnesota, USA

Power Wholesale

Power Wholesale started in 1964 in Aldridge, UK. They are known for providing high-quality industrial enclosures. Their fabrication shop creates certified mild steel and stainless steel boxes, which can be customized for different electrical needs. These boxes are perfect for use with metal sheathed cables.

Power Wholesale serves the construction, manufacturing, and utility sectors in Britain and exports internationally. They have a large stock and can quickly fulfill orders. Their junction boxes include cable clamps to ensure secure installations.

  • Founded Year: 1964
  • Location: Aldridge, UK

Conclusion

The article highlights the leading junction box manufacturers, focusing on their high-quality products and global certifications. TOSUNlux stands out with its innovative plastic and metal boxes, built-in clamps, and expert customer service. As electrification expands, the demand for durable and reliable enclosures grows.

TOSUNlux excels in providing customized solutions for various applications. Choose TOSUNlux as your reliable junction box manufacturer to ensure safety, compliance, and project success. Visit their website to explore their extensive catalog and consult with their experts today!

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