4/08/2017 13:08 HRS

Since April 15, 2013, ESTA, the Entertainment Services and Technology Association, has been able to offer all of its American National Standards and other published documents for download at no cost on their website at As of August 3, 2017, over 60,000 standards had been downloaded by over 10,000 users. This total for four years is more than an order of magnitude greater than the number of standards distributed in the 16 years the documents were only available for sale. These 60,000+ standards, if purchased, would have a retail value of over $1.8 million, but they have been distributed at no cost to the end-users in the entertainment industry, thanks to the sponsorship of ProSight Specialty Insurance.

The most popular standard, based on the number of copies downloaded, is ANSI E1.11, USITT DMX512-A, Asynchronous Serial Digital Data Transmission Standard for Controlling Lighting Equipment and Accessories, with 2,850 downloads, followed closely by ANSI E1.20, RDM–Remote Device Management over USITT DMX512 Networks, with 2,769 downloads. Three rigging standards follow closely on them: ANSI E1.2, Design, Manufacture and Use of Aluminum Trusses and Towers, with 2,566 downloads; ANSI E1.6-1, Powered Hoist Systems, with 2,154; and ANSI E1.1, Construction and Use of Wire Rope Ladders, with 2,062.

For more information on the ESTA Technical Standards Program, or to make a donation to help support it, visit or email Learn more about ProSight Specialty Insurance at