Gateway GM5407H Reference Manual page 127

Power lines
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.
Do not locate the antenna near overhead light or power circuits, or where it could fall into such
power lines or circuits.
Antenna and satellite grounding
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
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