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U Lamp
Linear, double-ended fluorescent lamp, usually T8 or T12, bent into a “U” shape.
UL - Underwriters Laboratory
Underwriters Laboratory. Commonly referred to as “UL”. An independent organization whose responsibilities include rigorous testing of electrical products. When products pass these tests, they can be labeled and advertised as “UL Listed”. UL tests for product safety only.
Underwriters Laboratories Inc.
333 Pfingsten Road
Northbrook, IL 60062-2096
Related to Underwriters Laboratory (UL). Products under its listing service are said to be “UL Listed,” identified by the distinctive UL mark.
UL Recognized Component
UL does not “approve” products. Rather it evaluates products, components, materials and systems for compliance to specific requirements, and permits acceptable products to carry a UL certification mark, as long as they remain compliant with the standards. UL offers several categories of certification. Products under its listing service are said to be “UL Listed,” identified by the distinctive UL mark. In some cases, a component may be “UL Recognized,” meaning UL has found it acceptable for use in a complete UL Listed product.
Universal
Common name for a plain track that accepts a wide range of line voltage reflectorized lamps.Utility Lighting
Commonly refers to ceiling and wall fixture lighting that is plain and durable. Utility fixtures usually feature plastic lenses and and diffusers instead of glass. The housing may also be of molded plastic.
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Feb 05, 2009
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Blue Ridge Technologies advocates specifying integrated lighting controls in the way that moves the expertise and accountability to those who are best positioned to be successful.
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