What is UL certification?
Underwriters’ Laboratory (UL) began in 1894 under the name Underwriters’ Electrical Bureau with the goal of improving living and working environments through safer science and hazard-based safety engineering. The organization is considered the standard for product-safety testing, and its mark–a “UL” in a circle–is a familiar sight on home and office products.HistoryIn the organization’s first year, its three employees issued 75 reports on various products tested. In 1899, UL published an index to its first 1,000 test reports. Products included were arc lamps, fire alarm boxes, fuses, heaters and circuit breakers. In 1903, UL published its first Standard for Safety for a product line, the first of many to follow.SignificanceUL also led the push for more thorough lab testing by opening a fire-protection lab in 1958. This lab, state-of-the-art for its time, contained a furnace with adjustable frames enabling tests on products for fire-resistant designs. In 1960, based on the work begun
