UL’s Mission is “Working for a Safer World” on this page you will find links that can assist Code Authorities, Design Professionals, and Installers to help carry out that mission.

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• Understanding ground fault and leakage current protection
• Lightning protection systems
• Operating portable generators
• Rebuilt electrical equipment
• Residential electrical system research
• Luminaire LED retrofit kits
• Sign LED retrofit kits

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If further assistance is needed related to this important topic, please visit our website or contact a member of our Codes and Advisory Services staff. For all other inquiries, please contact UL’s Customer Service Professionals at 1+877.854.3577 (1+877.ULHelps).