the wire colours used for incoming openeach cable to terminals A&B are immaterial you just need to connect the same pair of wires that are connected to the terminals 2&5 in your extension sockets to terminals 2&5 on the back of the master faceplate
Aren't the data extension terminals rather than incoming feed terminals on some NTE's labelled as A&B though?
yes but more information gets posted the more is seems that the master may well not be the master as already said pics would help enormously
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