Electrical Code

Electrical inspectors and installers rely on UL to provide world-class safety certifications, standards and technical information on products regulated by electrical codes.

UL Product Spec more

The next generation of the UL White Book

UL Product Spec includes the UL White Book information and much more. It helps you easily locate UL certification information needed to achieve safe, sustainable code complaint installations. This next generation search engine allows you to search, validate, or confirm a wide range of electrical equipment and materials, fire-resistance rated assemblies and systems, and building materials.

Electrical Code Topics more

UL certification programs, services and technical information on products regulated by the NEC® help electrical officials and other electrical professionals achieve safe, code compliant installations. These topics are organized by the same chapter structure consistent with those in the NEC.

Field Evaluations

UL Field Evaluations bridge the gap between uncertified equipment and a code-compliant installation acceptable to the Authority Having Jurisdiction

Questions About Installed Products

UL has resources to help code authorities approve installations of unlabeled products in the field and address product safety concerns.

Technical Library

Technical information on topics of interest to code authorities.

Frequently Asked Questions

Answers to common questions that code authorities have on UL certifications and services.