HP 8280 Manuel d'information sur la sécurité et la réglementation - Page 17
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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 2-1
Antenna Grounding
Reference
1
2
3
4
5
6
7
ENWW
Grounding Component
Electric Service Equipment
Power Service Grounding Electrode System (NEC Art 250, Part H)
Ground Clamps
Grounding Conductors (NEC Section 810–21)
Antenna Discharge Unit (NEC Section 810–20)
Ground Clamp
Antenna Lead-in Wire
TV Antenna Connectors Protection
11