diff --git a/sources/TerminalStrip/GraphicsItem/demoterminalstrip.cpp b/sources/TerminalStrip/GraphicsItem/demoterminalstrip.cpp
new file mode 100644
index 000000000..958e8bf7e
--- /dev/null
+++ b/sources/TerminalStrip/GraphicsItem/demoterminalstrip.cpp
@@ -0,0 +1,142 @@
+/*
+    Copyright 2006-2023 The QElectroTech Team
+    This file is part of QElectroTech.
+
+    QElectroTech is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    QElectroTech is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#include "demoterminalstrip.h"
+
+namespace TerminalStripDrawer
+{
+
+/*========= DemoBridge =========*/
+    class DemoBridge : public AbstractBridgeInterface
+    {
+        public:
+            DemoBridge(const QUuid &uuid) :
+                m_uuid { uuid } {}
+
+            QUuid uuid() const override {
+                return m_uuid;
+            }
+
+        private:
+            const QUuid m_uuid;
+    };
+
+    class DemoRealTerminal : public AbstractRealTerminalInterface
+    {
+        public:
+            DemoRealTerminal(const QString &label, const QUuid &bridge) :
+                m_label { label },
+                m_bridge { bridge }
+            {}
+
+            QString label() const override {
+                return m_label;
+            }
+
+            bool isBridged() const override {
+                return true;
+            }
+
+            DemoBridge *bridge() const override {
+                return new DemoBridge { m_bridge };
+            }
+
+        private:
+            QString m_label;
+            QUuid m_bridge;
+    };
+
+    class DemoPhysicalTerminal : public AbstractPhysicalTerminalInterface
+    {
+        public:
+            DemoPhysicalTerminal(QVector<QSharedPointer<AbstractRealTerminalInterface>> real_terminals) :
+                m_real_terminals { real_terminals}
+            {}
+
+            QVector<QSharedPointer<AbstractRealTerminalInterface>> realTerminals() const override {
+                return m_real_terminals;
+            }
+
+        private:
+            QVector<QSharedPointer<AbstractRealTerminalInterface>> m_real_terminals;
+    };
+
+
+
+/*========= DemoTerminalStrip =========*/
+
+    /**
+     * @brief DemoTerminalStrip::DemoTerminalStrip
+     */
+    DemoTerminalStrip::DemoTerminalStrip()
+    {
+        build();
+    }
+
+    QVector<QSharedPointer<AbstractPhysicalTerminalInterface> > DemoTerminalStrip::physicalTerminal() const
+    {
+        return m_physical_terminal;
+    }
+
+    void DemoTerminalStrip::build()
+    {
+        QUuid lvl_1 = QUuid::createUuid();
+        QUuid lvl_2 = QUuid::createUuid();
+        QUuid lvl_3 = QUuid::createUuid();
+
+        QVector <QSharedPointer<AbstractRealTerminalInterface>> real_terminals_vector;
+
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("24vdc"),
+                                                       lvl_1)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("0vdc"),
+                                                       lvl_2)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("signal"),
+                                                       lvl_3)};
+        m_physical_terminal << QSharedPointer<AbstractPhysicalTerminalInterface> {
+                               new DemoPhysicalTerminal {real_terminals_vector}};
+
+        real_terminals_vector.clear();
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("24vdc"),
+                                                       lvl_1)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("0vdc"),
+                                                       lvl_2)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("signal"),
+                                                       lvl_3)};
+        m_physical_terminal << QSharedPointer<AbstractPhysicalTerminalInterface> {
+                               new DemoPhysicalTerminal {real_terminals_vector}};
+
+        real_terminals_vector.clear();
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("24vdc"),
+                                                       lvl_1)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("0vdc"),
+                                                       lvl_2)};
+        real_terminals_vector << QSharedPointer<AbstractRealTerminalInterface> {
+                                 new DemoRealTerminal( QStringLiteral("signal"),
+                                                       lvl_3)};
+        m_physical_terminal << QSharedPointer<AbstractPhysicalTerminalInterface> {
+                               new DemoPhysicalTerminal {real_terminals_vector}};
+    }
+
+}
diff --git a/sources/TerminalStrip/GraphicsItem/demoterminalstrip.h b/sources/TerminalStrip/GraphicsItem/demoterminalstrip.h
new file mode 100644
index 000000000..ea8bd069d
--- /dev/null
+++ b/sources/TerminalStrip/GraphicsItem/demoterminalstrip.h
@@ -0,0 +1,50 @@
+/*
+    Copyright 2006-2023 The QElectroTech Team
+    This file is part of QElectroTech.
+
+    QElectroTech is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    QElectroTech is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef DEMOTERMINALSTRIP_H
+#define DEMOTERMINALSTRIP_H
+
+#include "terminalstripdrawer.h"
+
+namespace TerminalStripDrawer {
+
+class DemoTerminalStrip : public AbstractTerminalStripInterface
+{
+    public:
+        DemoTerminalStrip();
+
+        QString installation() const override {
+            return QStringLiteral("=INST");
+        }
+        QString location() const override {
+            return QStringLiteral("+LOC" );
+        }
+        QString name() const override {
+            return QStringLiteral("X1");
+        }
+        QVector<QSharedPointer<AbstractPhysicalTerminalInterface>> physicalTerminal() const override;
+
+    private:
+        void build();
+
+    private:
+        QVector<QSharedPointer<AbstractPhysicalTerminalInterface>> m_physical_terminal;
+};
+
+} //End namespace TerminalStripDrawer
+
+#endif // DEMOTERMINALSTRIP_H
diff --git a/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp b/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp
index 8448cecfa..ace229a36 100644
--- a/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp
+++ b/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.cpp
@@ -1,5 +1,5 @@
 /*
-    Copyright 2006-2022 The QElectroTech Team
+    Copyright 2006-2023 The QElectroTech Team
     This file is part of QElectroTech.
 
     QElectroTech is free software: you can redistribute it and/or modify
@@ -31,15 +31,15 @@ namespace TerminalStripDrawer {
  * @param strip
  * @param pattern
  */
-TerminalStripDrawer::TerminalStripDrawer(QPointer<TerminalStrip> strip,
+TerminalStripDrawer::TerminalStripDrawer(QSharedPointer<AbstractTerminalStripInterface> strip,
                                          QSharedPointer<TerminalStripLayoutPattern> layout) :
-    m_strip{new TrueTerminalStrip{strip.data()}},
-    m_pattern(layout)
+    m_strip { strip },
+    m_pattern { layout }
 {}
 
-void TerminalStripDrawer::setStrip(TerminalStrip *strip)
+void TerminalStripDrawer::setStrip(QSharedPointer<AbstractTerminalStripInterface> strip)
 {
-    m_strip.reset(new TrueTerminalStrip{strip});
+	m_strip = strip;
 }
 
 /**
diff --git a/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.h b/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.h
index d32f434e8..fbb00cefe 100644
--- a/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.h
+++ b/sources/TerminalStrip/GraphicsItem/terminalstripdrawer.h
@@ -62,16 +62,15 @@ namespace TerminalStripDrawer
             virtual QString location() const = 0;
             virtual QString name() const = 0;
             virtual QVector<QSharedPointer<AbstractPhysicalTerminalInterface>> physicalTerminal() const = 0;
-            virtual bool operator()() = 0;
     };
 
     class TerminalStripDrawer
     {
         public:
-            TerminalStripDrawer(QPointer<TerminalStrip> strip = QPointer<TerminalStrip>(),
+            TerminalStripDrawer(QSharedPointer<AbstractTerminalStripInterface> strip = QSharedPointer<AbstractTerminalStripInterface> { nullptr },
                                 QSharedPointer<TerminalStripLayoutPattern> layout = QSharedPointer<TerminalStripLayoutPattern>());
 
-            void setStrip(TerminalStrip *strip);
+            void setStrip(QSharedPointer<AbstractTerminalStripInterface> strip);
             void paint(QPainter *painter);
             QRectF boundingRect() const;
 
@@ -83,7 +82,7 @@ namespace TerminalStripDrawer
             int width() const;
 
         private:
-            QScopedPointer <AbstractTerminalStripInterface> m_strip;
+            QSharedPointer <AbstractTerminalStripInterface> m_strip;
             QSharedPointer<TerminalStripLayoutPattern> m_pattern;
             bool m_debug_draw { false };
     };
diff --git a/sources/TerminalStrip/GraphicsItem/terminalstripitem.cpp b/sources/TerminalStrip/GraphicsItem/terminalstripitem.cpp
index c6e2c344b..77f28adee 100644
--- a/sources/TerminalStrip/GraphicsItem/terminalstripitem.cpp
+++ b/sources/TerminalStrip/GraphicsItem/terminalstripitem.cpp
@@ -17,16 +17,21 @@
 */
 #include "terminalstripitem.h"
 
+
 #include "../diagram.h"
-#include "../terminalstrip.h"
-#include "../ui/terminalstripeditorwindow.h"
 #include "../../project/projectpropertieshandler.h"
 #include "../../qetgraphicsitem/qgraphicsitemutility.h"
+#include "../terminalstrip.h"
+#include "../ui/terminalstripeditorwindow.h"
+#include "trueterminalstrip.h"
 
-TerminalStripItem::TerminalStripItem(QPointer<TerminalStrip> strip, QGraphicsItem *parent) :
-	QetGraphicsItem{parent},
-	m_strip{strip},
-	m_drawer{strip}
+TerminalStripItem::TerminalStripItem(QPointer<TerminalStrip> strip,
+                                     QGraphicsItem *parent) :
+    QetGraphicsItem { parent },
+    m_strip { strip },
+    m_drawer { QSharedPointer<TerminalStripDrawer::TrueTerminalStrip> {
+			  new TerminalStripDrawer::TrueTerminalStrip { strip }}
+	}
 {
 	setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
     setAcceptHoverEvents(true);
@@ -43,7 +48,8 @@ TerminalStripItem::TerminalStripItem(QGraphicsItem *parent) :
 void TerminalStripItem::setTerminalStrip(TerminalStrip *strip)
 {
     m_strip = strip;
-    m_drawer.setStrip(strip);
+    m_drawer.setStrip(QSharedPointer<TerminalStripDrawer::TrueTerminalStrip> {
+                          new TerminalStripDrawer::TrueTerminalStrip { strip }});
     m_pending_strip_uuid = QUuid();
 
     if (!m_drawer.haveLayout()) {
diff --git a/sources/TerminalStrip/GraphicsItem/trueterminalstrip.cpp b/sources/TerminalStrip/GraphicsItem/trueterminalstrip.cpp
index 612f01425..15273e4c1 100644
--- a/sources/TerminalStrip/GraphicsItem/trueterminalstrip.cpp
+++ b/sources/TerminalStrip/GraphicsItem/trueterminalstrip.cpp
@@ -25,6 +25,11 @@
 
 namespace TerminalStripDrawer
 {
+    /**
+     * @brief TrueTerminalStrip::TrueTerminalStrip
+     * Constructor, this class don't take ownership of @a strip
+     * @param strip
+     */
     TrueTerminalStrip::TrueTerminalStrip(TerminalStrip *strip) :
         m_strip { strip }
     {}
@@ -69,11 +74,6 @@ namespace TerminalStripDrawer
         return vector_;
     }
 
-    bool TrueTerminalStrip::operator()()
-    {
-        return m_strip;
-    }
-
     TruePhysicalTerminal::TruePhysicalTerminal(QSharedPointer<PhysicalTerminal> physical) :
         m_physical { physical }
     {}
diff --git a/sources/TerminalStrip/GraphicsItem/trueterminalstrip.h b/sources/TerminalStrip/GraphicsItem/trueterminalstrip.h
index 9853304f7..10b3775fa 100644
--- a/sources/TerminalStrip/GraphicsItem/trueterminalstrip.h
+++ b/sources/TerminalStrip/GraphicsItem/trueterminalstrip.h
@@ -35,8 +35,7 @@ namespace TerminalStripDrawer
             QString installation() const override;
             QString location() const override;
             QString name() const override;
-            QVector<QSharedPointer<AbstractPhysicalTerminalInterface>> physicalTerminal() const override;
-            bool operator()() override;
+			QVector<QSharedPointer<AbstractPhysicalTerminalInterface>> physicalTerminal() const override;
 
         private:
             QPointer<TerminalStrip> m_strip;