Discuss Cables in cavity of walls in the UK Electrical Forum area at ElectriciansForums.net
Building Regulations Doc C only permits wall ties to bridge the cavity, see Section 5.13 b. Cables in external cavity walls may create a bridge for moisture transfer between the outer and inner skins. I believe the NHBC only permits conductors between the service and CU within an outer cavity and I believe the Electrical Safety Council give the same advice.Why are you asking the question?
so how the bloody 'ell do yougo about feeding a cable from inside to outside, say for an outside IP55 socket?Building Regulations Doc C only permits wall ties to bridge the cavity, see Section 5.13 b. Cables in external cavity walls may create a bridge for moisture transfer between the outer and inner skins. I believe the NHBC only permits conductors between the service and CU within an outer cavity and I believe the Electrical Safety Council give the same advice.
Building Regulations Doc C only permits wall ties to bridge the cavity, see Section 5.13 b. Cables in external cavity walls may create a bridge for moisture transfer between the outer and inner skins. I believe the NHBC only permits conductors between the service and CU within an outer cavity and I believe the Electrical Safety Council give the same advice.
Yeah it softens the pvc sheath and becomes all runny like I've seen it quite a few times on shelted housingWould it be they if they gave an inch, all the electricians & plumbers would take a mile, and fill up cavities with cables and pipes, rather than the odd pipe for outside tap etc.
Reading in a recent copy of 'Connections' that polystyrene balls for cavity insulation 'will' react with pvc cables, and therefore should not be installed together.
Won't be an issue after BrexitKnown as chemical migration.
On new builds we are required to run the cable through conduit.So to repeat Telectrix's question, how would you run a cable through a wall for an outside socket, security light, etc?
Cable TV companies will just drill straight through (mine did years ago) as will satellite dish installers.
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