12-42Safety and Comfort

Antenna Grounding

This reminder is provided to call the CATV (cable television) system installer’s attention to Section 820-40 of the NEC (National Electrical Code), which provides guidelines for proper grounding and, in particular, specifies that the cable ground shall be connected to the grounding system of the building, as close to the point of cable entry as practical.

1Electric Service Equipment

2Power Service Grounding Electrode System (NEC Art 250, Part H)

3Ground Clamps

4Grounding Conductors (NEC Section 810-21)

5Antenna Discharge Unit (NEC Section 810-20)

6Ground Clamp

7Antenna Lead in Wire

Antenna Grounding