I have decided to insulate my ground floor suspended joist floor in the living room using 140mm of rockwool duo slab (R-value 4.1 m2.K/W).
2.5 mm2 T&E is currently running under the floor and I want to place it in top of insulation directly under the subfloor (not to bury it in). Would it affect the current capacity to the level I need to be concerned? Should I place it in a conduit or maybe lay it on some kind of galvanised tray? Optionally, since I have access to it, would it be a good idea to replace it with 4mm2 T&E or would that be overkill? It is a ring circuit with 32A breaker).
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2.5 mm2 T&E is currently running under the floor and I want to place it in top of insulation directly under the subfloor (not to bury it in). Would it affect the current capacity to the level I need to be concerned? Should I place it in a conduit or maybe lay it on some kind of galvanised tray? Optionally, since I have access to it, would it be a good idea to replace it with 4mm2 T&E or would that be overkill? It is a ring circuit with 32A breaker).
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