Question
How is the overvoltage protector connected, and can it branch the bus cable?
Answer
C — Via a conventional bus connector or directly to a bus device; it cannot branch the bus cable.
Correct: it connects with a bus connector or directly to a device, and cannot be used to branch the bus.
Source
KNX Basic Course Documentation — 16 — p. 116
All proposed choices (exam context)
- A.Only by cutting the bus cable and hard-soldering it in line.
- B.It is the normal way to branch the bus cable into three directions.
- C.Via a conventional bus connector or directly to a bus device; it cannot branch the bus cable.✓
- D.Only through the 230 V mains terminals.
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