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ANSI J-STD-710-2015
Audio, Video and Control Architectural Drawing Symbols Standard
This document provides a standardized set of architectural floor plan and reflected ceiling plan symbols for audio, video and control systems, with associated technologies such as environmental control and communication networks. The common set of blueprint icons represents all facets of pre-wire and installation of electronic systems, products and devices in residential and commercial environments. It also includes descriptions and guidelines for the use of these symbols. Joint standard from CEA, CEDIA and InfoComm.
American National Standards Institute [ansi]