Does reference method 4 on page 120 OSG mean that the cables in the loft must be in conduit or are they OK clipped direct to the sides of the joist as this will ensure that they are not completely surrounded by thermal insulation?
Assuming that wood is classed as "Thermally Conductive"? Page 117 OSG.
Assuming that wood is classed as "Thermally Conductive"? Page 117 OSG.