Notices

6.The primary and secondary lightning protections should be as close to the building's entrance as possible. Where feasible they should be mounted onto the grounding plate itself (refer to the following figure).

Figure 1: Primary and Secondary Lightning Protection

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Ref # Description

1Primary lightning protection device

2Secondary lightning protection device

3External antenna

4GNSS Receiver

5To ground

6Grounding plate or grounding point at the building’s entrance

Acceptable choices for Earth Grounds, for central buildings, are:

Grounded interior metal cold water pipe within five feet (1.5 m) of the point where it enters the building

Grounded metallic service raceway

Grounded electrical service equipment enclosure

Eight-foot grounding rod driven into the ground (only if bonded to the central building ground by #6, or heavier, bonding wire)

These installation instructions are the minimum requirements for receiver and antenna installations. Where applicable, follow the electrical codes for the country of installation. Examples of country codes include:

USA

National Electrical Code (NFPA 70)

Canada

Canadian Electrical Code (CSA C22)

UK

British Standards Institute (BSI 7671)

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SPAN-CPT User Manual Rev 8

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Novatel OM-20000122 user manual Primary and Secondary Lightning Protection Ref # Description