Was there ever a black PVC 7/.029 cable made. My son has bought a
house (probably 60s) which has black cable for the ring main. The
insulation on the cable appears to be normal,and is Red /Black with
uninsulated earth as usual, but this black outer seems to "pull off"
the conductors easier than PVC does when stripping. I just hope it is
not rubber. I think BICC is embossed on the outer.
Yes, I bought a reel of it arounf 1967 to extend the ring main in my
house; it is still installed and in perfect condition. As you say,
the outer sheath was easier to pull away than modern 2.5mm PVC T&E.
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