SY is not suitable for direct burial in the ground.
I am informed what I have done is correct ... armour cable is used below ground from house and pops up behind the rear face of wall ... it's then terminated off (in suitable IP66 box to HiTuff which is used to feed the lights.
Therefore technically it's above ground level.
If it's below the soil then it's buried. I assume you'll be planting in the backfill which make's your installation frigging lethal for anyone who puts a spade in the ground at some stage in the future.It is below soil of the back fill, clipped to wall, and a good 1m+ above ground level.
I am so sorry Your Honour, I did know that the cable was not satisfactory and that the metal spade was going to................................................
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