diff --git a/src/main/java/simelectricity/essential/cable/TileCable.java b/src/main/java/simelectricity/essential/cable/TileCable.java
index 7b5b9d8..e7c3901 100644
--- a/src/main/java/simelectricity/essential/cable/TileCable.java
+++ b/src/main/java/simelectricity/essential/cable/TileCable.java
@@ -99,9 +99,9 @@ public boolean installCoverPanel(Direction side, ISECoverPanel coverPanel, boole
         coverPanel.setHost(this, side);
 
         if (!coverPanel.isHollow()) {
-            //If the cover panel is not hollow, it may block some connection
-            if (this.connectedOnSide(side))
-                SEAPI.energyNetAgent.updateTileConnection(this);
+            // If the cover panel is not hollow, it may block some connection
+        	// The connection has to be check anyway, to keep the canConnection(side) record up to date
+            SEAPI.energyNetAgent.updateTileConnection(this);
         }
 
         if (coverPanel instanceof ISEElectricalCoverPanel)
diff --git a/src/main/java/simelectricity/essential/machines/gui/GuiPowerMeter.java b/src/main/java/simelectricity/essential/machines/gui/GuiPowerMeter.java
index 96cb6cb..8cdbc8c 100644
--- a/src/main/java/simelectricity/essential/machines/gui/GuiPowerMeter.java
+++ b/src/main/java/simelectricity/essential/machines/gui/GuiPowerMeter.java
@@ -73,7 +73,7 @@ public boolean mouseClicked(double x, double y, int button) {
         boolean ret = super.mouseClicked(x, y, button);
 
         if (x >= this.guiLeft + GuiPowerMeter.switchX && y >= this.guiTop + GuiPowerMeter.switchY && x < this.guiLeft + GuiPowerMeter.switchX + GuiPowerMeter.switchSize && y < this.guiTop + GuiPowerMeter.switchY + GuiPowerMeter.switchSize)
-            MessageContainerSync.sendButtonClickEventToSever(this.container, 12, Screen.hasControlDown());
+            MessageContainerSync.sendButtonClickEventToSever(this.container, 0, Screen.hasControlDown());
         
         return ret;
     }