Question
How many wires of the KNX bus cable are required to transmit telegrams and (in most cases) power the bus device?
Answer
A — Two
Correct: Only two wires are required for telegram transmission and, in most cases, for supplying the device.
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An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.Two✓
- B.Four
- C.One
- D.Three
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