HP 2000-2d20ca Regulatory, Safety and Environmental Notices User Guide - Page 39

TV Antenna Connectors Protection, External Television Antenna Grounding, Lightning Protection

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TV Antenna Connectors Protection External Television Antenna Grounding If an outside antenna or cable system is connected to the product, be sure the antenna or cable system is electrically grounded so as to provide some protection against voltage surges and built-up static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with regard to proper electrical 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. Lightning Protection For added protection of any product during a lightning storm, or when it is left unattended and unused for long periods of time, unplug the product from the wall outlet and disconnect the antenna or cable system. This will prevent damage to the product from lightning and power line surges. Table 4-1 Antenna Grounding Reference Grounding Component 1 Electric Service Equipment 2 Power Service Grounding Electrode System (NEC Art 250, Part III) 3 Ground Clamps 4 Grounding Conductors (NEC Section 810.21) 5 Antenna Discharge Unit (NEC Section 810.20) 6 Ground Clamp 7 Antenna Lead-in Wire Note to CATV System Installer This reminder is provided to call the CATV systems installer's attention to section 820.93 of the National Electric Code, which provides guidelines for proper grounding and in particular, specify that TV Antenna Connectors Protection 31

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TV Antenna Connectors Protection
External Television Antenna Grounding
If an outside antenna or cable system is connected to the product, be sure the antenna or cable
system is electrically grounded so as to provide some protection against voltage surges and built-up
static charges. Article 810 of the National Electrical Code, ANSI/NFPA 70, provides information with
regard to proper electrical 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.
Lightning Protection
For added protection of any product during a lightning storm, or when it is left unattended and unused
for long periods of time, unplug the product from the wall outlet and disconnect the antenna or cable
system. This will prevent damage to the product from lightning and power line surges.
Table 4-1
Antenna Grounding
Reference
Grounding Component
1
Electric Service Equipment
2
Power Service Grounding Electrode System (NEC Art 250, Part III)
3
Ground Clamps
4
Grounding Conductors (NEC Section 810.21)
5
Antenna Discharge Unit (NEC Section 810.20)
6
Ground Clamp
7
Antenna Lead-in Wire
Note to CATV System Installer
This reminder is provided to call the CATV systems installer’s attention to section 820.93 of the
National Electric Code, which provides guidelines for proper grounding and in particular, specify that
TV Antenna Connectors Protection
31