Some More Common Cabling Problems

During the transition from Tough Rubber and Vulcanised Rubber Cabling to the more modern PVC/PVC Flat Twin & Earth Cabling used nowadays, lighting cabling (1.5mm cross sectional area or less) wasn’t Twin and Earth as it wasn’t fitted with a CPC (Earth). During the 1970s the vast majority of light fittings in houses consisted of either Bakelite, wooden or plastic ceiling pendants which did not require an earth and the regulations did not stipulate that lighting circuits had to be wired with one. As a result, the vast majority of early 70s house (and before) do not have a lighting CPC and this can be dangerous.

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Some More Common Cabling Problems