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Providing Lightning Protection for the Antenna
1)Mount lightning arrestor or 75 ohm grounding block as close as possible to where
2)Ground wires for both mast and
3)
4)In the case of a “ground up” antenna installation, it may not be necessary to ground the mast if the mast extends four or more feet into the earth. Consult your TV service man for proper depth in your area.
Example of antenna grounding as per
National Electrical Code, ANSI/NFPA 70
Antenna
Ground
Clamp
Grounding Conductors
(NEC Section
Electric
Service
Equipment
Ground
Clamps
Antenna
Discharge Unit
(NEC Section
(May substitute a 75 ohm Coax Grounding Block)
Rain Drip Loop On
| Power Service Grounding |
| Electrode System |
| (NEC Art 250, Part H) |
10 | NEC - National Electrical Code |