Amateur ExtraE4E13
Where should a station AC surge protector be installed?
C
Answer
Receivers, transmitters, and measurements
Type
A
At the AC service panel
B
At an AC outlet
C
On the single point ground panel
D
On a ground rod outside the station
Answer Notes
A station AC surge protector should ideally be installed on the single point ground panel. The single point ground panel is the centralized location where all equipment grounds and incoming lines (AC power, coaxial cables, telephone, and control lines) are tied together before routing to the external earth ground.
Placing the AC surge protector at this specific panel ensures that during a surge or lightning strike, all connected equipment rises and falls in electrical potential simultaneously.
This simultaneous equalization prevents destructive voltage differences from developing between the AC power feed and the RF feedlines connected to your gear. Relying solely on protectors at random wall outlets can create damaging ground loops during a surge.
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What is the purpose of a single point ground panel?