crumbly

  1. SJD

    Crumbly PVC cable (red only)

    Today on an EICR I came across some old (1960's, I think) PVC lighting cable - twin red/black, no earth - where the red was crumbly. It behaved like old perishing rubber, any bending and it cracks - but it is defintely plastic of some sort. The black was perfectly OK, as was the sheath. Curious...
  2. Zerax

    Fitting back box to crumbly blocks

    I had one of those horrible walls the other day... just a couple of back boxes to sink in but behind the plaster was like a nasty course textured block that just fell apart. No fixings were possible... even knocking a little wooden wedge in behind to give something to screw to didn't work...

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