buddha
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- Feb 27, 2010
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hi guys,im working on a domestic installation where the head is at the bottom of the basement and it is connected to the meter which is sited at the top of the stairs by the entrance to the basement.They are set apart by a distance of around 5 meters.
The live and neutral conductors from the head to the meter appear to be around 16mm csa and travel inside a metal conduit.
Its a tn-s system and the armoured of the supply cable is joined via temby clamps to the metal conduit with 4mm earth and at the meter end,again a 4mm from conduit to the incoming earth of the distribution board?
surely this is not enough,but wouldnt it have been the local electricity board that put it in? none of the seals at head or meter have been cut.
can anyone shed some light on this,many thanks. bad day explode
The live and neutral conductors from the head to the meter appear to be around 16mm csa and travel inside a metal conduit.
Its a tn-s system and the armoured of the supply cable is joined via temby clamps to the metal conduit with 4mm earth and at the meter end,again a 4mm from conduit to the incoming earth of the distribution board?
surely this is not enough,but wouldnt it have been the local electricity board that put it in? none of the seals at head or meter have been cut.
can anyone shed some light on this,many thanks. bad day explode