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Cisco Surge-Gap Installation Instructions Manual page 6

Drop amplifier
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IMPORTANT RULES FOR SAFE OPERATION
Outdoor Grounding System
If this product connects to an outdoor antenna or cable system, be sure the antenna
or cable system is grounded (earthed). This provides some protection against voltage
surges and built-up static charges.
Section 810 of the National Electric Code (NEC), ANSI/NFPA No. 70-1990, provides
the following information:
• Grounding of the mast and supporting structure
• Grounding the lead-in wire to an antenna discharge unit
• Size of the grounding conductors
• Location of the antenna-discharge unit
• Connection to grounding electrodes
• Requirements for the grounding electrodes
6
Surge-Gap Drop Amplifier Installation Instructions
,
Continued
4000254 Rev C

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