Im looking to put a series of spike lights  around the house approx 12 units and wondering how best/cost effective it will be to have so many joints. The supply will need to be swa cable as it will be underground and need a 3 way junction box at each fitting. The lights  have a flex on them. I dont want juction boxs on show so intend to have them just underground (stone chip border between house and slabbed path)with the flex coming straigth down and into junction box. Can anyone say what juncti