[
  {
    "code": "SW-01",
    "description": "Wall switch",
    "unit": "EA",
    "quantity": 3
  },
  {
    "code": "CB-20",
    "description": "Breaker",
    "unit": "EA",
    "quantity": 2
  },
  {
    "code": "WIRE-5M",
    "description": "Wire requested as each",
    "unit": "EA",
    "quantity": 5
  },
  {
    "code": "UNKNOWN",
    "description": "Unknown item",
    "unit": "EA",
    "quantity": 1
  }
]