main_assembly:
Vitamins:
  3 Ferrule for 1.5mm^2 wire - not shown
  1 Wire blue 30/0.25mm strands, length 150mm - not shown
  1 Wire green & yellow 30/0.25mm strands, length 150mm - not shown
  2 4mm shielded jack socket blue
  1 4mm shielded jack socket brown
  2 4mm shielded jack socket green
  1 Mains socket 13A
  2 Screw M3 cs cap x 20mm
  5 Heatshrink sleeving ID 3.2mm x 15mm - not shown

Assemblies:
  1 mains_in_assembly