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Power Distribution Equipment

What is power distribution equipment?

In the simplest of terms, power distribution equipment consists of all electrical related equipment and/or components found between an incoming electrical service and the end-device or location receiving the power. Essentially, most everything that receives, delivers or controls electrical power is included within power distribution equipment.

What products are in power distribution equipment?

Power distribution equipment includes, but is not limited to:

  • Circuit breakers
  • Conduit & fittings
  • Control panels
  • Discrete components
  • Grounding equipment
  • Low voltage assembled equipment
  • Low voltage discrete equipment
  • Medium voltage assembled equipment
  • Motors and generators
  • Outlet boxes
  • Power supplies
  • Protective devices
  • Protectors
  • Raceways
  • Surge suppressors
  • Switches & switchgear
  • Transformers
  • Utilization equipment
  • Wiring devices
  • Wiring systems

What services can we offer with power distribution?

  • Product Certification
    • UL's safety certification services include testing, evaluation and factory surveillance of products to national, regional and international safety standards. These certifications enhance the safety of products, as well as the public's confidence in their compliance.
  • Preliminary Investigations
    • Designed to help identify potential noncompliances early enough for you to make necessary modifications and decrease certifications turnaround time
  • Informative Test Report
    • Detailed test reports that show how your product compares to standards without any follow up or mark services
  • Advisory Services
    • Training- UL Knowledge Services offers a variety of training programs that are available to participants such as online courses, public workshops, private workshops and personnel certification programs
    • Technical Consultations- Customizable to suit your individual needs, from a question and answer session with UL engineers to a technical advisory session in which UL reviews your products

Global Market Access

Global Market Access


While the compliance requirements of different geographical markets may share commmon elements and objectives, each country or region may mandate requirements specific to national or regional regulatory concerns or implement different options for how these requirements can be met. Market-driven voluntary certification marks, such as CE may also need to be considered. These variations and nuances can cause major market challenges and delays for companies trying to introduce new products to markets.

Along with product safety certification, UL's services help manufacturers of products expand their global footprints by helping them access new and exciting markets around the world with our globally accepted certification programs. This includes, but is not limited to, UL's ability to evaluate, certify, and provide the CCC mark for products entering the Chinese marketplace for examples. Some of the marks we can provide include:

  • CCC Mark: China
  • C-Tick Mark: Australia
  • D Mark: Europe
  • GOST R Mark: Russia
  • INMETRO Mark: Brazil
  • KC Mark: Korea
  • NOM Mark: Mexico
  • PSE Mark: Japan
  • S Mark: Argentina
  • SIRIM Mark: Malaysia
  • UL Europe Mark

Standards we use for testing

UL evaluates power distribution products to a host of standards including, but not limited to:

  • UL 1310
  • UL 1449
  • UL 1977
  • UL 248-1
  • UL 489
  • UL 67
  • UL 891

For a more comprehensive list of standards we evaluate power distribution products to, please click here.

For more information, please review our standards website.

Why evaluate your product with UL?

Throughout its 116-year history, UL's reputation, experience, knowledge and brand name has been recognized and trusted worldwide by manufacturers, retailers, jurisdictional authorities and consumers.

There are many reasons to seek power distribution certification including:

  • Customer requirements- Your own customers may demand UL certification before purchasing equipment
  • Market acceptance- Marketing products as having a UL certification differentiates your products and strengthens your product's competitiveness in the marketplace
  • Peace of mind- Protect your company's reputation by demonstrating that you have gone the extra step to protect end users from harm when you subject your product to UL's rigorous testing and thorough follow-up inspections
  • Convenience and service- Global network of UL locations to serve you locally and online access to project status and testing reports. UL has 68 global facilities and 120 inspection centers to serve customers in 102 countries
  • Technical expertise- Our deep technical expertise gives us the flexibility to work with the demands and specifications you provide for each project to meet your request. In many cases, UL engineers assisted in writing the UL product to those standards

Additional resources