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ESTA News: Five Draft Standards in Review

Three Fog & Smoke Working Group draft standards were been posted October 15 on the ESTA website at the address below for public review through December 15. (The reviews are over when December 16 starts.) The three draft documents are:

• BSR E1.5 – 20xx, Entertainment Technology – Theatrical Fog Made With Aqueous Solutions Of Di- And Trihydric Alcohols;

• BSR E1.23 – 200x, Entertainment Technology – Design and Execution of Theatrical Fog Effects; and

• BSR E1.29 – 200x, Product Safety Standard for Theatrical Fog Generators that Create Aerosols of Water, Aqueous Solutions of Glycol or Glycerin, or Aerosols of Highly Refined Alkane Mineral Oil.

The one completely new standard in this list is the last one, BSR E1.29; the others are revisions of existing American National Standards. The revisions consist of changing the CAS registry numbers for dipropylene glycol and mineral oil to better specify the chemicals used in fog effects and for which we have health and safety data in the scientific literature. The last draft standard, BSR E1.29, is a new standard, intended to help guide product safety testing laboratories (e.g., UL, ETL) in evaluating fog-making equipment for design or construction defects that might create unacceptable hazards. It is based on ANSI/UL 998 – 2006, Humidifiers, but has modifications to deal with safety issues peculiar to fog generators.

Two draft Control Protocols Working Group draft standards continue to be available for public review on the ESTA website through November 24. The two draft documents are: BSR E1.20 – 200x, Entertainment Technology – Remote Device Management over USITT DMX512, a revision of the existing American National Standard E1.20 – 2006. The goal of the BSR E1.20 – 200x project is to correct errors in the document, not to add new functionality or to change existing functionality. The review documents consist of an errata list and the text proposed for the existing standard to correct the errors. ANSI E1.20 is an extension to USITT DMX512 and ANSI E1.11 that allows for bi-directional communication on the primary data link.

BSR E1.27-2 – 200x, Entertainment Technology – Recommended Practice for Permanently Installed Control Cables for Use with ANSI E1.11 (DMX512-A) and USITT DMX512/1990 Products, is a recommended practice for permanent data cabling installations for interconnecting lighting equipment that comply with ANSI E1.11 (DMX512-A) or with USITT DMX512/1990. The recommendations include definitions of acceptable cable and connector types and the ways in which they may be used.

In addition to being asked to review the documents to see if they offer adequate advice, reviewers are asked to notify ESTA of any protected intellectual property in the draft standards. ESTA does not warrant that its standards contain no protected intellectual property, but it also does not intend to adopt any standard that requires the use of protected intellectual property, unless that property is necessary for technical reasons and can be licensed by anyone without prejudice or preference for a reasonable fee. Any protected intellectual property should be noted on the public review response form.

www.esta.org/tsp/documents/public_review_docs.php




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