McIntosh MX 136 Owners Manual

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3 If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is grounded so as to provide some protection against voltage surges and built-up static charge. Article 810 of the National Electrical Code, ANSI/NFPA 70, pro- vides information with reguards to proper grounding of the mast and supporting structure, grounding of the lead-in wire to an antenna discharge unit, and size of ground conductors, location of antenna-discharge unit, connection to ground electrodes and requirements for the grounding electrode. Outdoor Antenna Grounding Example of antenna grounding as per National Electrical Code, ANSI/NFPA 70 Safety Instructions