hi all, been to a house today, friend having a problem with 2 way lights in room consisting of 2 x 2way switches after decorators been in. being taught the way by using 1 pair of strappers was baffled to find 2 pairs, anyone shed some light on this?
yes there was a single in each common. feed and switch but 2 pair in l1 and l2. spoke to a friend an he says its the same on his stairs at his house but dosnt know why? i know of no other way apart from 1 pair.
I think what you have seen is a twin cable + 3 core in one switch & a 3 core at the other, where in the switch with two cables, there are two wires in each of the strapper terms.
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