Q Is a UL Solutions sign section label required on each section/housing of a LED Class 2 powered multi sec-tion/housing sign? I understand there recently was a change to UL 48, the Standard for Electric Signs, that relaxed Certi-fication/Listing Mark requirements for these types of signs. Why the change in labeling and what should I look for?. Question Is a UL Solutions sign section label required on each section/housing of a LED Class 2 powered multi section/housing sign? I understand there recently was a change to UL 48, the Standard for Electric Signs, that relaxed Certification/Listing Mark requirements for these types of signs. Why the change in labeling and what should I look for? Answer A UL Sign Section Certification.
Navigate sign industry codes and regulations effortlessly with expert guidance from ISA. Learn about the UL 48 standard for electric signs.. Testing and certification solutions for electric sign and sign component manufacturers UL Solutions offers technical leadership in the electric signs industry, staying at the forefront of emerging standards, requirements and regulations for digital signs, electric signs, and sign retrofit kits and components.