Which code denotes the normal switch correspondence diagram light relay repeater?

• A. Nwk
• B. Nwp
• C. Nlp
• D. Ns

Answer: (A)

The main idea here is understanding how these codes map to diagram types used in signaling/relay lettering. Nwk is the best fit because it directly matches a normal state involving a switch presented in a correspondence diagram form. In this coding scheme, the first letter signals the normal (N) condition, the second points to the switch element (w), and the third indicates the diagram type (k), so together they describe the normal switch correspondence diagram that would include related components like lights, relays, and repeaters as part of the diagram.

The other codes don’t align as closely with that particular combination. One option emphasizes a different element or diagram scope, another centers on light without the switch aspect, and the remaining option omits the diagram context altogether. Thus, Nwk best captures the described diagram: a normal state, involving a switch, shown as a correspondence diagram.