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سؤال 380

Where should a lightning arrester be installed in a coaxial feed line?

  1. At the output connector of a transceiver
  2. At the antenna feed point
  3. At the AC power service panel
  4. On a grounded panel near where feed lines enter the buildingپاسخ درست

توضیح

The arrester's job is to divert surge energy to the grounding system before it reaches the building and the equipment inside, so it belongs on a grounded entry panel where the feed lines come in. Mounting it at the transceiver or the antenna would let surge current travel through the building or bypass the ground point.

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شروع تمرین
سؤال 380: Where should a lightning arrester be installed in a coaxial… · FCC Technician Class (Element 2) · Questena