Regl. 5293, art. 620-7-640
SOUND-RECORDING AND
Cite as Reglamento Núm. 5293, Art. 620-7-640
SIMILAR EQUIPMENT
640-1. Scope. This article covers equipment and wiring for soundrecording and reproduction, centralized distribution of sound, public
address, speech-input systems, and electronic organs.
640-2. Application of Other Articles.
(a) Wiring to and Between Devices. Wiring and equipment from source
of power to and between devices connected to the interior wiring systems
shall comply with the requirements of Chapters 1 through 4, except as
modified by this article.
(b) Wiring and Equipment. Wiring and equipment for public-address,
speech-input, radio-frequency and audio-frequency systems, and amplifying equipment associated with radio receiving stations in centralized distribution systems shall comply with Article 725.
640-3. Number of Conductors in Conduit or Tubing. The number of conductors in a conduit or tubing shall comply with Tables 1 through 6 of
Chapter 9.