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UL Standards are used to assess products; test components, materials, systems and performance; and evaluate environmentally sustainable products, renewable energies, food and water products, recycling systems and other innovative technologies. Understanding Standards Learn how UL Standards function as a benchmark that enables consumers and businesses to feel confident about the products and services they purchase. Developing Standards This section provides a thorough understanding of the consensus-based process used for creating or revising UL Standards and the parties involved. Harmonizing Standards Coordinating and unifying requirements from multiple standards to provide one inclusive standard businesses can use to demonstrate compliance. Glossary of Terms Helpful definitions of terminology and acronyms to navigate the world of standards. From ANSI to THC and appeals panel to primary designated engineer.