Index: trunk/src/org/openstreetmap/josm/data/validation/tests/PowerLines.java
===================================================================
--- trunk/src/org/openstreetmap/josm/data/validation/tests/PowerLines.java	(revision 18323)
+++ trunk/src/org/openstreetmap/josm/data/validation/tests/PowerLines.java	(revision 18324)
@@ -45,5 +45,5 @@
     /** Values for {@code power} key interpreted as allowed power items */
     static final Collection<String> POWER_ALLOWED_TAGS = Arrays.asList("switch", "transformer", "busbar", "generator", "switchgear",
-            "portal", "terminal", "insulator");
+            "portal", "terminal", "insulator", "connection");
 
     private final Set<Node> badConnections = new LinkedHashSet<>();
@@ -56,5 +56,5 @@
      */
     public PowerLines() {
-        super(tr("Power lines"), tr("Checks for nodes in power lines that do not have a power=tower/pole tag."));
+        super(tr("Power lines"), tr("Checks for nodes in power lines that do not have a power=tower/pole/connection tag."));
     }
 
@@ -122,5 +122,5 @@
             if (!isInPowerStation(n)) {
                 errors.add(TestError.builder(this, Severity.WARNING, POWER_LINES)
-                        .message(tr("Missing power tower/pole within power line"))
+                        .message(tr("Missing power tower/pole/connection within power line"))
                         .primitives(n)
                         .build());