Hi all, I looked at a job today, 1980's house where the lighting circuit's were all wired in double insulated singles clipped together along the roof timbers, was this common practice around this time, i've never come across it before?
Yes Common practice in the 80s supposedly cheaper than T/E (Must be as most newbuilds were done this way.
Most likely to be from the 50's or 60's, as up to 1966, no earthing required on lighting circuits. Double insulated singles was considered an easier(and cheaper) way to wire up lighting circuits, especially two-way switching. Js
Definitely 80's built jumbo, there is green/yellow earth conductor alongside the red and black also, all looks original too, no signs of alterations.
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