diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
index c8602728..a7d5ce14 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Cable.java
@@ -37,7 +37,7 @@ import java.util.List;
 
 import static gregtech.api.enums.GT_Values.VN;
 
-public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTileEntityCable{
+public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTileEntityCable {
     public final float mThickNess;
     public final Materials mMaterial;
     public final long mCableLossPerMeter, mAmperage, mVoltage;
@@ -218,7 +218,7 @@ public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTile
                 mTransferredVoltageLast20 = 0;
                 mTransferredAmperageLast20 = 0;
                 for (byte i = 0; i < 6; i++) {
-                    if ((mCheckConnections || (mConnections & (1 << i)) != 0) && connect(i) <= 0) disconnect(i);
+                    if ((mCheckConnections || (mConnections & (1 << i)) != 0) && connect(i) == 0) disconnect(i);
                 }
                 if (GT_Mod.gregtechproxy.gt6Cable) mCheckConnections = false;
             }
@@ -258,23 +258,25 @@ public class GT_MetaPipeEntity_Cable extends MetaPipeEntity implements IMetaTile
 		if (aSide >= 6) return rConnect;
 		byte tSide = GT_Utility.getOppositeSide(aSide);
 		TileEntity tTileEntity = getBaseMetaTileEntity().getTileEntityAtSide(aSide);
-        if (getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).alwaysLookConnected(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()) || getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsEnergyIn(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()) || getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsEnergyOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity())) {
-            if (tTileEntity instanceof IColoredTileEntity) {
-                if (getBaseMetaTileEntity().getColorization() >= 0) {
-                    byte tColor = ((IColoredTileEntity) tTileEntity).getColorization();
-                    if (tColor >= 0 && tColor != getBaseMetaTileEntity().getColorization())
-                    	return rConnect;
-                }
-            }
-            if ((tTileEntity instanceof IEnergyConnected && (((IEnergyConnected) tTileEntity).inputEnergyFrom(tSide) || ((IEnergyConnected) tTileEntity).outputsEnergyTo(tSide)))
-            		|| (tTileEntity instanceof IGregTechTileEntity && ((IGregTechTileEntity) tTileEntity).getMetaTileEntity() instanceof IMetaTileEntityCable
-                    		&& (((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).alwaysLookConnected(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity)) || ((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).letsEnergyIn(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity)) || ((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).letsEnergyOut(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity))))
-            		|| (tTileEntity instanceof IEnergySink && ((IEnergySink) tTileEntity).acceptsEnergyFrom((TileEntity) getBaseMetaTileEntity(), ForgeDirection.getOrientation(tSide)))
-            		|| (GregTech_API.mOutputRF && tTileEntity instanceof IEnergyReceiver && ((IEnergyReceiver) tTileEntity).canConnectEnergy(ForgeDirection.getOrientation(tSide)))
-            		/*|| (tTileEntity instanceof IEnergyEmitter && ((IEnergyEmitter)tTileEntity).emitsEnergyTo((TileEntity)getBaseMetaTileEntity(), ForgeDirection.getOrientation(tSide)))*/) {
-                rConnect = 1;
-            }
-        }
+		if (tTileEntity != null) {
+			if (getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).alwaysLookConnected(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()) || getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsEnergyIn(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity()) || getBaseMetaTileEntity().getCoverBehaviorAtSide(aSide).letsEnergyOut(aSide, getBaseMetaTileEntity().getCoverIDAtSide(aSide), getBaseMetaTileEntity().getCoverDataAtSide(aSide), getBaseMetaTileEntity())) {
+	            if (tTileEntity instanceof IColoredTileEntity) {
+	                if (getBaseMetaTileEntity().getColorization() >= 0) {
+	                    byte tColor = ((IColoredTileEntity) tTileEntity).getColorization();
+	                    if (tColor >= 0 && tColor != getBaseMetaTileEntity().getColorization())
+	                    	return rConnect;
+	                }
+	            }
+	            if ((tTileEntity instanceof IEnergyConnected && (((IEnergyConnected) tTileEntity).inputEnergyFrom(tSide) || ((IEnergyConnected) tTileEntity).outputsEnergyTo(tSide)))
+	            		|| (tTileEntity instanceof IGregTechTileEntity && ((IGregTechTileEntity) tTileEntity).getMetaTileEntity() instanceof IMetaTileEntityCable
+	                    		&& (((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).alwaysLookConnected(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity)) || ((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).letsEnergyIn(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity)) || ((IGregTechTileEntity) tTileEntity).getCoverBehaviorAtSide(tSide).letsEnergyOut(tSide, ((IGregTechTileEntity) tTileEntity).getCoverIDAtSide(tSide), ((IGregTechTileEntity) tTileEntity).getCoverDataAtSide(tSide), ((IGregTechTileEntity) tTileEntity))))
+	            		|| (tTileEntity instanceof IEnergySink && ((IEnergySink) tTileEntity).acceptsEnergyFrom((TileEntity) getBaseMetaTileEntity(), ForgeDirection.getOrientation(tSide)))
+	            		|| (GregTech_API.mOutputRF && tTileEntity instanceof IEnergyReceiver && ((IEnergyReceiver) tTileEntity).canConnectEnergy(ForgeDirection.getOrientation(tSide)))
+	            		/*|| (tTileEntity instanceof IEnergyEmitter && ((IEnergyEmitter)tTileEntity).emitsEnergyTo((TileEntity)getBaseMetaTileEntity(), ForgeDirection.getOrientation(tSide)))*/) {
+	                rConnect = 1;
+	            }
+	        }
+		}
         if (rConnect > 0) {
         	super.connect(aSide);
         }
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
index db0a0474..1c33a8c4 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Fluid.java
@@ -8,6 +8,7 @@ import gregtech.api.interfaces.metatileentity.IMetaTileEntity;
 import gregtech.api.interfaces.tileentity.ICoverable;
 import gregtech.api.interfaces.tileentity.IGregTechTileEntity;
 import gregtech.api.metatileentity.BaseMetaPipeEntity;
+import gregtech.api.metatileentity.BaseTileEntity;
 import gregtech.api.metatileentity.MetaPipeEntity;
 import gregtech.api.objects.GT_RenderedTexture;
 import gregtech.api.objects.XSTR;
@@ -34,7 +35,7 @@ import java.util.concurrent.ConcurrentHashMap;
 
 import static gregtech.api.enums.GT_Values.D1;
 
-public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity{
+public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity {
     public final float mThickNess;
     public final Materials mMaterial;
     public final int mCapacity, mHeatResistance, mPipeAmount;
@@ -388,6 +389,9 @@ public class GT_MetaPipeEntity_Fluid extends MetaPipeEntity{
                     }  
             	}
             }
+        } else if (getBaseMetaTileEntity().getOffsetX(aSide, 1) >> 4 != getBaseMetaTileEntity().getXCoord() >> 4 
+    			|| getBaseMetaTileEntity().getOffsetZ(aSide, 1) >> 4 != getBaseMetaTileEntity().getZCoord() >> 4) { // if chunk unloaded
+        		rConnect = -1;
         }
 		if (rConnect > 0) {
 			if (GT_Mod.gregtechproxy.gt6Pipe && tFluidPipe != null) {
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
index 80da5cd8..2ec7b99f 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaPipeEntity_Item.java
@@ -29,7 +29,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
-public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileEntityItemPipe{
+public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileEntityItemPipe {
     public final float mThickNess;
     public final Materials mMaterial;
     public final int mStepSize;
@@ -165,7 +165,7 @@ public class GT_MetaPipeEntity_Item extends MetaPipeEntity implements IMetaTileE
             if (aTick % mTickTime == 0) mTransferredItems = 0;
 
             for (byte i = 0; i < 6; i++) {
-                if ((mCheckConnections || (mConnections & (1 << i)) != 0) && connect(i) <= 0) disconnect(i);
+                if ((mCheckConnections || (mConnections & (1 << i)) != 0) && connect(i) == 0) disconnect(i);
             }
             if (GT_Mod.gregtechproxy.gt6Pipe) mCheckConnections = false;