When searching for the , you will notice the acronyms are used interchangeably. Historically, it was the EIA-310. After a reorganization, the standard fell under the ECIA. However, the industry still widely refers to it as the "EIA standard."

Following the dissolution of the EIA, the Electronic Components Association (ECA) maintained the standard. It is currently managed by the Electronic Components Industry Association (ECIA) and is frequently adapted into global standards like IEC 60297 and DIN 41494.

While commonly referred to as a "19-inch rack," 19 inches actually measures the width of the front equipment panel (including the mounting ears/flanges), not the equipment chassis itself. 19.00 inches (482.6 mm).