curl --request POST \
  --url https://api.iotools.cloud/v1/tool/wire-size-calculator \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "loadCurrent": "15",
  "supplyVoltage": "120",
  "cableLength": "50",
  "lengthUnit": "ft",
  "voltageSystem": "ac1",
  "conductor": "copper",
  "installation": "conduit",
  "maxVdPercent": "3"
}
'

{
  "tool": "wire-size-calculator",
  "tool_version": "1.0.1",
  "outputs": {
    "status": "Use 12 AWG copper (3.31 mm²) for 15 A at 120 V AC 1-phase, 50 ft (50 ft) in conduit. Voltage drop 2.41% (within your 3% limit).",
    "result": [
      {
        "property": "Recommended Wire (AWG)",
        "value": "12 AWG"
      },
      {
        "property": "Cross-section (mm²)",
        "value": "3.31 mm²"
      },
      {
        "property": "Wire Ampacity",
        "value": "25 A"
      },
      {
        "property": "Voltage Drop",
        "value": "2.895 V"
      },
      {
        "property": "Voltage Drop (%)",
        "value": "2.41 %"
      },
      {
        "property": "Voltage at Load",
        "value": "117.11 V"
      },
      {
        "property": "Power Loss (heat)",
        "value": "43.42 W"
      },
      {
        "property": "Voltage Drop Formula",
        "value": "Vd = 2 × L × I × R = 2 × 0.05 kft × 15 A × 1.93 Ω/kft"
      }
    ],
    "awgTable": [
      {
        "awg": "14",
        "mm2": "2.08",
        "ampacity-a": "20",
        "v-drop-v": "4.6 V / 3.84%",
        "status": "V-drop exceeds limit"
      },
      {
        "awg": "12",
        "mm2": "3.31",
        "ampacity-a": "25",
        "v-drop-v": "2.9 V / 2.41%",
        "status": "Recommended"
      },
      {
        "awg": "10",
        "mm2": "5.26",
        "ampacity-a": "35",
        "v-drop-v": "1.81 V / 1.51%",
        "status": "OK"
      },
      {
        "awg": "8",
        "mm2": "8.37",
        "ampacity-a": "50",
        "v-drop-v": "1.17 V / 0.97%",
        "status": "OK"
      },
      {
        "awg": "6",
        "mm2": "13.3",
        "ampacity-a": "65",
        "v-drop-v": "0.74 V / 0.61%",
        "status": "OK"
      },
      {
        "awg": "4",
        "mm2": "21.2",
        "ampacity-a": "85",
        "v-drop-v": "0.46 V / 0.38%",
        "status": "OK"
      },
      {
        "awg": "3",
        "mm2": "26.7",
        "ampacity-a": "100",
        "v-drop-v": "0.37 V / 0.31%",
        "status": "OK"
      },
      {
        "awg": "2",
        "mm2": "33.6",
        "ampacity-a": "115",
        "v-drop-v": "0.29 V / 0.24%",
        "status": "OK"
      },
      {
        "awg": "1",
        "mm2": "42.4",
        "ampacity-a": "130",
        "v-drop-v": "0.23 V / 0.19%",
        "status": "OK"
      },
      {
        "awg": "1/0",
        "mm2": "53.5",
        "ampacity-a": "150",
        "v-drop-v": "0.18 V / 0.15%",
        "status": "OK"
      },
      {
        "awg": "2/0",
        "mm2": "67.4",
        "ampacity-a": "175",
        "v-drop-v": "0.15 V / 0.12%",
        "status": "OK"
      },
      {
        "awg": "3/0",
        "mm2": "85",
        "ampacity-a": "200",
        "v-drop-v": "0.11 V / 0.1%",
        "status": "OK"
      },
      {
        "awg": "4/0",
        "mm2": "107.2",
        "ampacity-a": "230",
        "v-drop-v": "0.09 V / 0.08%",
        "status": "OK"
      }
    ]
  },
  "credits_used": 3,
  "credits_remaining": null
}