Basic Qualification · B-003 Station assembly, practice and safety · B-003-018-011
What is the risk involved in troubleshooting a live power supply?
- A Electric shock
- B Damaging connected equipment
- C Electromagnetic interference
- D Blowing the fuse
Correct answer: A — Electric shock. From the official ISED question bank, verified word for word.
Why
Touching live parts inside a power supply exposes you to high voltage that can stop your heart or cause severe burns, making electric shock the primary danger. 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.