Cable shouldn't send connection updates

src/main/java/refinedstorage/tile/TileMachine.java

@@ -58,9 +58,11 @@ public abstract class TileMachine extends TileBase implements ISynchronizedConta
                 onDisconnected(worldObj);
             }
 
+            if (!(this instanceof TileCable)) {
                 RefinedStorageUtils.sendToAllAround(worldObj, pos, new MessageMachineConnectedUpdate(this));
             }
         }
+    }
 
     public void onConnected(World world, TileController controller) {
         this.controller = controller;