TIA Subcommittee TR-42.3, responsible for developing recommendations for pathways and spaces, recently approved Addendum 6 to TIA/EIA-569-A, officially called ANSI/TIA/EIA-569-A-6 Multi-tenant Pathways and Spaces Addendum.
You have many electrical requirements to meet when specifying panel boards, but is addressing the cost-effectiveness issue ever one of them? In facilities having indoor or outdoor areas with hazardous locations, there is a need for very substantial equipment, namely explosion-proof panel boards.
About one-half of all electrical injuries and fatalities happen to people engaged in construction activities. (This information is from the Federal Register, “Rules and Regulations.” Vol. 55, No. 151, Monday, August 6, 1990, p 31986.
Just a little over a year ago, TIA TR-42.1 and TR-42.3 officially decided to change the acronym for the telecommunications room from TC to TR to eliminate confusion and to ensure that the industry realized that a “room” instead of a “closet” was required on each floor of the building.