Basic Qualification · B-003 Station assembly, practice and safety · B-003-020-003
How can your station equipment best be protected from lightning damage?
- A Disconnect the ground system from all radios
- B Disconnect all equipment from the power lines and antenna cables
- C Use heavy insulation on the wiring
- D Never turn off the equipment
Correct answer: B — Disconnect all equipment from the power lines and antenna cables. From the official ISED question bank, verified word for word.
Why
Lightning travels as a massive surge of electricity that follows the path of least resistance into your home through power lines and antenna cables. The full explanation — and one for every question — is in Pro.
Practise this section
Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.