While Art. 810 provides the requirements for transmission or reception via an antenna, Art. 820 provides the requirements for the distribution of television and radio signals within a facility or on a property via cable. These cable signals are limited energy, but they’re high frequency. Coaxial cables that connect antennas to television and radio receiving equipment [810.3] and community television systems [810.4] must be installed per this section of the Code. Note: The NEC ...
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