Add power=switch preset

(closes #4441)

data/presets/fields/cables.json

@@ -0,0 +1,6 @@
+{
+    "key": "cables",
+    "type": "number",
+    "label": "Cables",
+    "placeholder": "1, 2, 3..."
+}

data/presets/fields/devices.json

@@ -1,6 +1,6 @@
 {
     "key": "devices",
     "type": "number",
-    "label": "Number of Devices",
+    "label": "Devices",
     "placeholder": "1, 2, 3..."
 }

data/presets/fields/phases.json

@@ -1,6 +1,6 @@
 {
     "key": "phases",
     "type": "number",
-    "label": "Number of Phases",
+    "label": "Phases",
     "placeholder": "1, 2, 3..."
 }

data/presets/fields/switch.json

@@ -0,0 +1,13 @@
+{
+    "key": "switch",
+    "type": "combo",
+    "label": "Type",
+    "strings": {
+        "options": {
+            "mechanical": "Mechanical",
+            "circuit_breaker": "Circuit Breaker",
+            "disconnector": "Disconnector",
+            "earthing": "Earthing"
+        }
+    }
+}

data/presets/fields/transformer.json

@@ -1,7 +1,7 @@
 {
     "key": "transformer",
     "type": "combo",
-    "label": "Type of Transformer",
+    "label": "Type",
     "strings": {
         "options": {
             "distribution": "Distribution",

data/presets/fields/voltage.json

@@ -0,0 +1,5 @@
+{
+    "key": "voltage",
+    "type": "combo",
+    "label": "Voltage"
+}

data/presets/fields/windings.json

@@ -1,6 +1,6 @@
 {
     "key": "windings",
     "type": "number",
-    "label": "Number of Windings",
+    "label": "Windings",
     "placeholder": "1, 2, 3..."
 }