Gateway E-4650 - Manual (Page 125)

Television antenna connectors protection (for systems fitted with TV/cable TV tuner cards) 117
Warning 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.
Reference Grounding component
1 Electric service equipment
2 Power service grounding electrode system (NEC Art 250, Part H)
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
2 1
5
3
7
6
4
Antenna and satellite grounding