Case 1: 522.8.10 (except where installed in a conduit, etc.) cabled buried in the ground is to have an earthed armour, etc.
Case 2: it depends.
If buried in a wall, or passing through joists, the armour is to be earthed: 522.6.202 to 522.6.204 .
If clipped direct, provided the cable has been made off in such a way that the armour cannot be touched, e.g. in a plastic gland, there is no ECP and therefore no requirement for earthing - see Part 2.
Case 1: 522.8.10 (except where installed in a conduit, etc.) cabled buried in the ground is to have an earthed armour, etc.
Case 2: it depends.
If buried in a wall, or passing through joists, the armour is to be earthed: 522.6.202 to 522.6.204 .
If clipped direct, provided the cable has been made off in such a way that the armour cannot be touched, e.g. in a plastic gland, there is no ECP and therefore no requirement for earthing - see Part 2.
