diff --git a/EduNetworkBuilder/NetworkBuilder.cs b/EduNetworkBuilder/NetworkBuilder.cs
index 4ecdec6..4914d67 100644
--- a/EduNetworkBuilder/NetworkBuilder.cs
+++ b/EduNetworkBuilder/NetworkBuilder.cs
@@ -538,7 +538,7 @@ namespace EduNetworkBuilder
                 pbNetworkView.ContextMenuStrip = new ContextMenuStrip();
             }
             pbNetworkView.ContextMenuStrip.Items.Clear();
-            if (ReleasedOn != null)
+            if (ReleasedOn != null && ReleasedOn.IsNotNetDevice())
             {
                 foreach (string tStr in myNetwork.GetIncompleteTestDestinations(ReleasedOn.hostname, true))
                 {
@@ -551,12 +551,15 @@ namespace EduNetworkBuilder
                     pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Arp_Name_Click;
                 }
             }
-            pbNetworkView.ContextMenuStrip.Items.Add("Ping [host]");
-            pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Ping_Click;
-            pbNetworkView.ContextMenuStrip.Items.Add("Arp Request [host]");
-            pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Arp_Click;
-            pbNetworkView.ContextMenuStrip.Items.Add("Clear Arp Table");
-            pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_ArpClear_Click;
+            if (ReleasedOn != null && ReleasedOn.IsNotNetDevice())
+            {
+                pbNetworkView.ContextMenuStrip.Items.Add("Ping [host]");
+                pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Ping_Click;
+                pbNetworkView.ContextMenuStrip.Items.Add("Arp Request [host]");
+                pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Arp_Click;
+                pbNetworkView.ContextMenuStrip.Items.Add("Clear Arp Table");
+                pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_ArpClear_Click;
+            }
             if (ReleasedOn != null)
             {
                 if (!myNetwork.ItemIsCritical(ReleasedOn.hostname))
@@ -565,8 +568,11 @@ namespace EduNetworkBuilder
                     pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Delete_Click;
                 }
             }
-            pbNetworkView.ContextMenuStrip.Items.Add("Edit");
-            pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Edit_Click;
+            if (ReleasedOn != null && ReleasedOn.IsNotNetDevice())
+            {
+                pbNetworkView.ContextMenuStrip.Items.Add("Edit");
+                pbNetworkView.ContextMenuStrip.Items[index++].Click += pbNetworkView_Edit_Click;
+            }
             
             if (ReleasedOn != null)
             {
diff --git a/EduNetworkBuilder/NetworkDevice.cs b/EduNetworkBuilder/NetworkDevice.cs
index faa30e6..5962d32 100644
--- a/EduNetworkBuilder/NetworkDevice.cs
+++ b/EduNetworkBuilder/NetworkDevice.cs
@@ -2164,6 +2164,14 @@ namespace EduNetworkBuilder
             if (myType == NetworkComponentType.wrouter) return true;
             return false;
         }
+        public bool IsNotNetDevice()
+        {
+            if (GetNetType() == NetworkComponentType.fluorescent)
+                return false;
+            if (GetNetType() == NetworkComponentType.microwave)
+                return false;
+            return true;
+        }
 
         public override void DoOutput(Packet tPacket)
         {