Index: trunk/data/validator/combinations.mapcss
===================================================================
--- trunk/data/validator/combinations.mapcss	(revision 12704)
+++ trunk/data/validator/combinations.mapcss	(revision 12997)
@@ -92,4 +92,5 @@
 
 /* {0.key} without {1.tag} */
+*[switch                       ][!power],
 *[transformer                  ][!power],
 way[fence_type                 ][barrier!=fence],
@@ -145,4 +146,5 @@
 *[power=plant                  ][!voltage][plant:output:electricity],
 *[power=substation             ][!substation],
+*[power=switch                 ][!switch],
 *[power=transformer            ][!transformer],
 *[amenity=parking              ][!parking],
@@ -152,5 +154,5 @@
   assertMatch: "way power=line";
   assertNoMatch: "way power=line voltage=1";
-  assertNoMatch: "way power=switch";
+  assertMatch: "way power=switch";
   assertMatch: "way power=substation";
   assertMatch: "way power=substation transformer=foobar";