Gateway E-4650 System Manual page 125

Warning
Reference
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Television antenna connectors protection (for systems fitted with TV/cable TV tuner cards)
When installing or realigning an outside antenna system,
extreme care should be taken to keep from touching such
power lines or circuits. Contact with them could be fatal.
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Antenna and satellite grounding
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
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