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Berthold Electric Company

Generator Connection Cabinets

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You are here: Home / Why UL Listed?

Why UL Listed?

In a word: Safety.

UL Listed Logo

Underwriters Laboratories is a global independent safety science company dedicated to promoting safe living and working environments. You can be assured that a product bearing the UL label has been evaluated and found to be safe for its intended application.

What does UL Listed Mean?

For the Berthold Electric Generator Connection Cabinet, that means our product has passed the following tests:

  • Temperature rise
  • Short circuit withstand
  • Weather resistance

Many electrical inspectors, specifying engineers, and facilities managers look for the UL label as a tool to help ensure the safety and quality of their electrical systems.

You can verify any manufacturer’s listings at the UL Online Certifications Directory. To find us, just enter “Berthold” for company name.

Temperature Rise Testing
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Temperature Rise Testing
Temperature Rise Testing
Temperature Rise Testing
Temperature Rise Testing
Short Circuit Testing
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Short Circuit Testing
Short Circuit Testing
Short Circuit Testing
NEMA 3R Weather Testing
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UL has established two standards that deal with permanent equipment to receive connections from a temporary generator.

  • UL1008 (Annex J): Inlet Assemblies for Transfer Switch Equipment. Covers units with male Cam-Loks for the temporary power connections.
  • UL1773: Termination Boxes. Covers units with mechanical set screw lugs (to accept bare cables) for the temporary power connections.
  • Notes regarding other listings: UL1008 and UL1773 are the only UL listings that cover this type of equipment. Beware of “other” listings that may not be suitable for your application.
  • UL50: Enclosures for Electrical Equipment. Covers the enclosure (cabinet) only, and not its contents (the actual electrical components).
  • UL508a: Industrial Control Panels. Covers control panels for general industrial use, not applicable to temporary generator power connections.
  • UL891: Dead-Front Switchboards. Covers switchboards, which must also include means of overcurrent protection and disconnect.
  • UL1640: Portable Power-Distribution Equipment. Covers only temporary installations at carnivals, circuses, fairs, theaters, construction sites, and the like.

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Contact Information

Berthold Electric Company
1900 West Carroll Avenue
Chicago, IL 60612

Toll Free: 800-657-6650
312-243-5767
info@genconcab.com

Berthold Electric Co. - manufacturer of premium quality electrical power distribution equipment since 1925.

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Request a quote today! Complete our fast and easy online form below:

Request a Quote

Or, download the PDF Configuration Worksheet here and give us a call Toll-Free at 800-657-6650 or 312-243-5767. In most cases we are able to respond with a quote by the end of the following business day.

UL Listed


UL listed since 2007, Berthold Electric pioneered the Generator Connection Cabinet as far back as 1968!

Learn more about UL Listing and the Berthold Electric commitment to safety here »

Copyright © 2023 Berthold Electric Company. All Rights Reserved.

Menu
  • Generator Connection Cabinets
    • Product Overview
    • Wall Mounted Tap Box
    • Pad Mounted Tap Box
    • Custom Tap Box
    • Standard Features
    • Tap Box Options
    • System Application Diagrams
    • Configuration Drawings
  • Why UL Listed?
  • Distributors
  • About Us
  • Contact
  • Request a Quote