Question
On the standardized KNX TP bus connector, which statement about the two parts is correct?
Answer
B — The plus part is red and the minus part is dark grey.
Correct: the connector consists of the plus part (red) and the minus part (dark grey).
Source
KNX Basic Course Documentation — 10 — p. 110
All proposed choices (exam context)
- A.The plus part is red and the minus part is black.
- B.The plus part is red and the minus part is dark grey.✓
- C.The plus part is black and the minus part is red.
- D.Both parts are green, matching the bus cable sheath.
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