Cables may be installed indoors and outdoors and may be laid in the ground.
HD 603 S1 5O, IEC 60502-1 Applicable parts
10 mm² circular solid copper (IEC60228 cl. 1)
16 mm² circular stranded copper (IEC 60228 cl. 2)
4-core: yellow/green,brown, black, grey
5-core: yellow/green, blue, brown, black, grey