Index: trunk/data/defaultpresets.xml
===================================================================
--- trunk/data/defaultpresets.xml	(revision 9493)
+++ trunk/data/defaultpresets.xml	(revision 9494)
@@ -6532,5 +6532,5 @@
             </optional>
         </item> <!-- Pole with Transformer-->
-        <item name="Insulator" icon="styles/standard/power/insulator.svg" type="node" preset_name_label="true">
+        <item name="Insulator" icon="styles/standard/power/insulator.svg" type="node,way" preset_name_label="true">
             <link href="http://wiki.openstreetmap.org/wiki/Tag:power=insulator" />
             <space />
Index: trunk/data/validator/geometry.mapcss
===================================================================
--- trunk/data/validator/geometry.mapcss	(revision 9493)
+++ trunk/data/validator/geometry.mapcss	(revision 9494)
@@ -7,4 +7,5 @@
 node[man_made=groyne],
 node[man_made=cutline],
+node[power=line],
 node[cutline],
 node[aerialway=cable_car],
@@ -82,4 +83,5 @@
 way[man_made=survey_point],
 way[power=pole],
+way[power=tower]!:closed,
 way[amenity=vending_machine],
 way[natural=peak],