
Last modified: 2019-08-01 by rick wyatt
Keywords: united states | underwriters laboratories | 
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![[U.S. flag]](../images/u/us$ul.gif) image by António Martins-Tuválkin, 22 April 2018
 
image by António Martins-Tuválkin, 22 April 2018See also:
UL LLC, is an American safety consulting and certification company 
headquartered in Northbrook, Illinois. It maintains offices in 46 countries. 
Established in 1894 as the Underwriters' Electrical Bureau (a bureau of 
Underwriters Laboratories the National Board of Fire Underwriters. The first 
test was conducted on March 24, 1894. It was known throughout the 20th century 
as, and participated in, the safety analysis of many of that century's new 
technologies, most notably the public adoption of electricity and the drafting 
of safety standards for electrical devices and components. UL published its 
first standard, “Tin Clad Fire Doors”, in 1903. The following year, the UL Mark 
made its debut with the labeling of a fire extinguisher. In 2012, UL transformed 
from a non-profit company into a for-profit corporation. 
Sources:
http://www.ul.com/aboutul/history 
and 
https://en.wikipedia.org/wiki/UL_(safety_organization) 
The flag is a 
white horizontal flag with the logo (https://en.wikipedia.org/wiki/UL_(safety_organization)#/media/File:UL_Mark.svg) in the middle, as seen here (flag on the left):
http://media.mlive.com/businessreview/western_impact/photo/16021587-large.jpg 
(source: 
http://www.mlive.com/business/west-michigan/index.ssf/2014/10/holland_office_furniture_testi.html)
For additional information go to:
UL (official website)
http://www.ul.com/
 
Esteban Rivera, 9 May 2017
The logo shows the letters "UL" inside a ring, all dark red on white. The  
typeface use is slender and thick, sans serif and of constant width; the width 
of the ring matches that of the letters; the letter "U" is placed higher than 
the "L". The flag seems to be 3:5 and the gap between the outer edge of the disc 
and the horizontal edges of the flag seems to be the same as its width.
António Martins-Tuválkin, 22 April 2018