Index: trunk/data/validator/power.mapcss
===================================================================
--- trunk/data/validator/power.mapcss	(revision 6923)
+++ trunk/data/validator/power.mapcss	(revision 6924)
@@ -1,5 +1,5 @@
 /* power related stuff (incomplete) */
 
-*[power =~ /line|minor_line|cable/][!voltage],
+*[power =~ /^(line|minor_line|cable)$/][!voltage],
 *[substation][power!=substation],
 *[transformer][!power] {
@@ -7,4 +7,5 @@
   assertMatch: "way power=line";
   assertNoMatch: "way power=line voltage=1";
+  assertNoMatch: "way power=cable_distribution_cabinet";
 }