A junction box on the end of buried SWA should be accessible and not under floor boards.
I would bring the SWA up to a junction box above floor level. May not look good but a damp junction box will soon need maintenance / replacement.
A damaged outer sheath on SWA will allow ground water into the armouring and then the water can move along the armour, If the SWA is horizontal then water will reach the junction box.
I would bring the SWA up to a junction box above floor level. May not look good but a damp junction box will soon need maintenance / replacement.
A damaged outer sheath on SWA will allow ground water into the armouring and then the water can move along the armour, If the SWA is horizontal then water will reach the junction box.