Question
In an installation with several lines, how is power supplied to the lines?
Answer
C — Each line and each line segment has its own power supply unit and choke.
Correct: each line and each line segment must have its own power supply unit and choke.
Start 10 free questions
Free · No account · No payment card
An error or unclear wording? Report this questionAll proposed choices (exam context)
- A.One central power supply feeds all lines through the couplers.
- B.Only the main line needs a power supply; secondary lines draw from it.
- C.Each line and each line segment has its own power supply unit and choke.✓
- D.A power supply is needed per area, shared by its lines.
Full bank
Keep going with the full KNX Basic bank
Keep going with the full KNX Basic bank: unlimited timed mock exams, detailed answers, history. From €9 (one-time payment).
See pricing — from €9 →Want more?
Continue KNX Basic practice
Related questions
- What does a coupler's filter table contain?KNX Topology
- Which telegrams does a line or backbone coupler forward across the lines it connects?KNX Topology
- How does a line repeater differ from a line coupler in the way it handles telegrams?KNX Topology
- What is the advantage of supplying a coupler from the primary line rather than the secondary line?KNX Topology
- What determines whether a coupler acts as a backbone coupler, a line coupler or a line repeater?KNX Topology