5
19. 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 charges. Section 810 of the National Electrical Code, ANSI/NFPA No. 70-2011 (Section
54 of Canadian Electrical Code, Part 1) provides information with respect to proper grounding
of the mast and supporting structure, grounding of the lead in wire to an antenna-discharge
unit, size of grounding conductors, location of antenna discharge unit, connection to grounding
electrodes, and requirements for the grounding electrode.
See following example:
ANTENNA LEAD IN WIRE
GROUND CLAMP
ANTENNA DISCHARGE UNIT
(NEC SECTION 810-20)
GROUND CLAMPS
GROUNDING CONDUCTORS
(NEC SECTION 810-21)
ELECTRIC SERVICE
EQUIPMENT
POWER SERVICE GROUNDING
ELECTRODE SYSTEM (NEC ART
250, PART H)
