It is also a term associated with colonialism. In recent times, brown has been used of Hispanics and South Asians in North America, many of whom self-identify as brown.
UL RATINGS. UL stands for Underwriters Laboratories, an independent organization dedicated to educating businesses and the public about safety and performance of products in a wide spectrum of industries.UL has been testing and rating products for more than 100 years, and evaluates nearly 20,000 products annually.The UL rating is an indicator of product quality and certification of safety.or example, the UL Class 350 1-hour fire rating means that the internal temperature of the safe will not exceed 350Â°F for at least 1 hour when exposed to external temperatures over 1700Â°F. A safe may have a 1-, 2-, or 3-hour time classification.
CSA (Canadian Standards Association) is a Canadian organization used to develop a series of product safety standards. CSA mark as shown in the SolaHD SMT Series â Open Style Aluminum Wound Control Transformers. UL (Underwriters Laboratories) and CSA are two separate independent testing and certification agencies. If a certain product is cULus Listed, it means that UL tested the product to meet all the requirements under Canadian and US standards. Anything that has cULus mark can be used both in Canada and US. Some of SolaHD products that are cULus Listed are the nonventilated automation general purpose transformers, SBE industrial control transformers, Solatron Plus three phase power conditioners.