Lightning Protection - HP Pavilion 403 Supplementary Manual

Lightning Protection

For added protection of any Hewlett-Packard 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.
1
Antenna Grounding
Antenna Grounding
Reference Grounding Component
1 Electric Service Equipment
Power Service Grounding Electrode System
2
(NEC Art 250, Part H)
Ground Clamps
3
Grounding Conductors (NEC Section 810-21)
4
Antenna Discharge Unit (NEC Section 810-20)
5
6 Ground Clamp
Antenna Lead in Wire
7
Power Lines
An outside antenna system should not be located in the vicinity of overhead
power lines or other electric light or power circuits, or where it can fall into such
power lines or circuits.
Warning: When installing an outside antenna system,
extreme care should be taken to keep from touching such
power lines or circuits as contact with them could be fatal.
7
6
5
4
3
2