This article explores the differences in UPS construction, including the pros and cons of each format and the typical applications where each are installed. Additional information on actual UPS models is available on the Xtreme Power Conversion product page. . The importance of electric power as an energy source for industries, buildings, and infrastructures is increas-ing steadily. Each business has specific needs and chal-lenges and requires a versatile, adaptable, and tailored power supply in order to optimize availability and prof-itability. Each OSP Enclosure is custom built to customer specifications.