diff --git a/conductor.cpp b/conductor.cpp
index c3cb3dc37..d67a0e2ae 100644
--- a/conductor.cpp
+++ b/conductor.cpp
@@ -1001,6 +1001,11 @@ void Conductor::setProfile(const ConductorProfile &cp) {
 	calculateTextItemPosition();
 }
 
+/// @return le profil de ce conducteur
+ConductorProfile Conductor::profile() const {
+	return(conductor_profile);
+}
+
 bool Conductor::isSingleLine() const {
 	return(is_single_line);
 }
diff --git a/conductor.h b/conductor.h
index 778282673..9a8cd49be 100644
--- a/conductor.h
+++ b/conductor.h
@@ -70,6 +70,7 @@ class Conductor : public QGraphicsPathItem {
 	QDomElement toXml(QDomDocument &, QHash<Terminal *, int> &) const;
 	const QList<ConductorSegment *> segmentsList() const;
 	void setProfile(const ConductorProfile &);
+	ConductorProfile profile() const;
 	void setSingleLine(bool);
 	bool isSingleLine() const;
 	
diff --git a/diagramcommands.cpp b/diagramcommands.cpp
index 8f0790ae0..a106cbe80 100644
--- a/diagramcommands.cpp
+++ b/diagramcommands.cpp
@@ -388,6 +388,40 @@ void ChangeConductorCommand::redo() {
 	else conductor -> setProfile(new_profile);
 }
 
+/**
+	Constructeur
+	@param c Conducteurs reinitialises
+	@param p Anciens profils des conducteurs
+	@param parent QUndoCommand parent
+*/
+ResetConductorCommand::ResetConductorCommand(
+	const QHash<Conductor *, ConductorProfile> &cp,
+	QUndoCommand *parent
+) :
+	QUndoCommand(QObject::tr("R\351initialiser ") + QET::ElementsAndConductorsSentence(0, cp.count()), parent),
+	conductors_profiles(cp)
+{
+}
+
+/// Destructeur
+ResetConductorCommand::~ResetConductorCommand() {
+}
+
+/// Annule la reinitialisation des conducteurs
+void ResetConductorCommand::undo() {
+	foreach(Conductor *c, conductors_profiles.keys()) {
+		c -> setProfile(conductors_profiles[c]);
+	}
+}
+
+/// Refait la reinitialisation des conducteurs
+void ResetConductorCommand::redo() {
+	foreach(Conductor *c, conductors_profiles.keys()) {
+		ConductorProfile t(conductors_profiles[c]);
+		c -> setProfile(ConductorProfile());
+	}
+}
+
 /**
 	Constructeur
 	@param d Schema dont on modifie le cartouche
diff --git a/diagramcommands.h b/diagramcommands.h
index 21a2d46d6..7b69e62e9 100644
--- a/diagramcommands.h
+++ b/diagramcommands.h
@@ -225,16 +225,38 @@ class ChangeConductorCommand : public QUndoCommand {
 	
 	// attributs
 	private:
-	/// DiagramTextItem modifie
+	/// Conducteur modifie
 	Conductor *conductor;
-	/// texte avant changement
+	/// profil avant changement
 	ConductorProfile old_profile;
-	/// texte apres changement
+	/// profil apres changement
 	ConductorProfile new_profile;
 	/// booleen pour ne pas executer le premier redo()
 	bool first_redo;
 };
 
+/**
+	Cette classe represente l'action de reinitialiser des conducteurs
+*/
+class ResetConductorCommand : public QUndoCommand {
+	// constructeurs, destructeur
+	public:
+	ResetConductorCommand(const QHash<Conductor *, ConductorProfile> &, QUndoCommand * = 0);
+	virtual ~ResetConductorCommand();
+	private:
+	ResetConductorCommand(const ResetConductorCommand &);
+	
+	// methodes
+	public:
+	virtual void undo();
+	virtual void redo();
+	
+	// attributs
+	private:
+	/// Conducteurs reinitialises et leurs anciens profils
+	QHash<Conductor *, ConductorProfile> conductors_profiles;
+};
+
 /**
 	Cette classe represente l'action de modifier les informations du cartouche d'un schema
 */
diff --git a/diagramview.cpp b/diagramview.cpp
index 4769e95ee..da9bc96d6 100644
--- a/diagramview.cpp
+++ b/diagramview.cpp
@@ -669,3 +669,21 @@ void DiagramView::editConductor() {
 		delete ccpc;
 	}
 }
+
+/**
+	Reinitialise le profil des conducteurs selectionnes
+*/
+void DiagramView::resetConductors() {
+	// recupere les conducteurs selectionnes
+	QSet<Conductor *> selected_conductors = scene -> selectedConductors();
+	
+	// repere les conducteurs modifies (= profil non nul)
+	QHash<Conductor *, ConductorProfile> conductors_and_profiles;
+	foreach(Conductor *conductor, selected_conductors) {
+		ConductorProfile profile = conductor -> profile();
+		if (!profile.isNull()) conductors_and_profiles.insert(conductor, profile);
+	}
+	
+	if (conductors_and_profiles.isEmpty()) return;
+	scene -> undoStack().push(new ResetConductorCommand(conductors_and_profiles));
+}
diff --git a/diagramview.h b/diagramview.h
index a3ca0251d..02181cc8e 100644
--- a/diagramview.h
+++ b/diagramview.h
@@ -74,6 +74,7 @@ class DiagramView : public QGraphicsView {
 	void adjustSceneRect();
 	void updateWindowTitle();
 	void editConductor();
+	void resetConductors();
 	
 	private slots:
 	void slot_selectionChanged();
diff --git a/ico/conductor2.png b/ico/conductor2.png
new file mode 100644
index 000000000..4a37c96e5
Binary files /dev/null and b/ico/conductor2.png differ
diff --git a/qelectrotech.qrc b/qelectrotech.qrc
index 5bcfc669a..b5127ff52 100644
--- a/qelectrotech.qrc
+++ b/qelectrotech.qrc
@@ -13,6 +13,7 @@
 	<file>ico/category_new.png</file>
 	<file>ico/circle.png</file>
 	<file>ico/conductor.png</file>
+	<file>ico/conductor2.png</file>
 	<file>ico/configure.png</file>
 	<file>ico/copy.png</file>
 	<file>ico/cut.png</file>
diff --git a/qetdiagrameditor.cpp b/qetdiagrameditor.cpp
index cee8f2e89..b0f15214c 100644
--- a/qetdiagrameditor.cpp
+++ b/qetdiagrameditor.cpp
@@ -162,6 +162,7 @@ void QETDiagramEditor::actions() {
 	delete_selection  = new QAction(QIcon(":/ico/delete.png"),     tr("Supprimer"),                            this);
 	rotate_selection  = new QAction(QIcon(":/ico/pivoter.png"),    tr("Pivoter"),                              this);
 	conductor_prop    = new QAction(QIcon(":/ico/conductor.png"),  tr("Propri\351t\351s du conducteur"),       this);
+	conductor_reset   = new QAction(QIcon(":/ico/conductor2.png"), tr("R\351initialiser les conducteurs"),     this);
 	infos_diagram     = new QAction(QIcon(":/ico/info.png"),       tr("Informations sur le sch\351ma"),        this);
 	add_column        = new QAction(QIcon(":/ico/add_col.png"),    tr("Ajouter une colonne"),                  this);
 	remove_column     = new QAction(QIcon(":/ico/remove_col.png"), tr("Enlever une colonne"),                  this);
@@ -210,6 +211,7 @@ void QETDiagramEditor::actions() {
 	delete_selection  -> setShortcut(QKeySequence(tr("Suppr")));
 	rotate_selection  -> setShortcut(QKeySequence(tr("Ctrl+R")));
 	conductor_prop    -> setShortcut(QKeySequence(tr("Ctrl+J")));
+	conductor_reset   -> setShortcut(QKeySequence(tr("Ctrl+K")));
 	
 	zoom_in           -> setShortcut(QKeySequence::ZoomIn);
 	zoom_out          -> setShortcut(QKeySequence::ZoomOut);
@@ -313,7 +315,8 @@ void QETDiagramEditor::actions() {
 	connect(arrange_window,   SIGNAL(triggered()), &workspace, SLOT(arrangeIcons())             );
 	connect(next_window,      SIGNAL(triggered()), &workspace, SLOT(activateNextWindow())       );
 	connect(prev_window,      SIGNAL(triggered()), &workspace, SLOT(activatePreviousWindow())   );
-	connect(conductor_prop,    SIGNAL(triggered()), this,       SLOT(slot_editConductor())        );
+	connect(conductor_prop,   SIGNAL(triggered()), this,       SLOT(slot_editConductor())       );
+	connect(conductor_reset,  SIGNAL(triggered()), this,       SLOT(slot_resetConductors())     );
 	connect(infos_diagram,    SIGNAL(triggered()), this,       SLOT(slot_editInfos())           );
 	connect(add_column,       SIGNAL(triggered()), this,       SLOT(slot_addColumn())           );
 	connect(remove_column,    SIGNAL(triggered()), this,       SLOT(slot_removeColumn())        );
@@ -372,6 +375,7 @@ void QETDiagramEditor::menus() {
 	menu_edition -> addAction(rotate_selection);
 	menu_edition -> addSeparator();
 	menu_edition -> addAction(conductor_prop);
+	menu_edition -> addAction(conductor_reset);
 	menu_edition -> addSeparator();
 	menu_edition -> addAction(infos_diagram);
 	menu_edition -> addAction(add_column);
@@ -653,6 +657,9 @@ void QETDiagramEditor::slot_updateActions() {
 	DiagramView *sv = currentDiagram();
 	bool opened_document = (sv != 0);
 	
+	// nombre de conducteurs selectionnes
+	int selected_conductors_count = opened_document ? sv -> diagram() -> selectedConductors().count() : 0;
+	
 	// actions ayant juste besoin d'un document ouvert
 	close_file       -> setEnabled(opened_document);
 	save_file        -> setEnabled(opened_document);
@@ -667,7 +674,8 @@ void QETDiagramEditor::slot_updateActions() {
 	zoom_out         -> setEnabled(opened_document);
 	zoom_fit         -> setEnabled(opened_document);
 	zoom_reset       -> setEnabled(opened_document);
-	conductor_prop    -> setEnabled(opened_document && sv -> diagram() -> selectedConductors().count() == 1);
+	conductor_prop   -> setEnabled(opened_document && selected_conductors_count == 1);
+	conductor_reset  -> setEnabled(opened_document && selected_conductors_count);
 	infos_diagram    -> setEnabled(opened_document);
 	add_column       -> setEnabled(opened_document);
 	remove_column    -> setEnabled(opened_document);
@@ -734,7 +742,7 @@ void QETDiagramEditor::addDiagramView(DiagramView *dv) {
 	
 	// ajoute la fenetre
 	QWidget *p = workspace.addWindow(dv);
-	connect(dv, SIGNAL(selectionChanged()), this, SLOT(slot_updateActions()));
+	connect(dv -> diagram(), SIGNAL(selectionChanged()), this, SLOT(slot_updateActions()));
 	connect(dv, SIGNAL(modeChanged()),      this, SLOT(slot_updateActions()));
 	
 	// affiche la fenetre
@@ -776,6 +784,7 @@ void QETDiagramEditor::slot_updateWindowsMenu() {
 	if (!windows.isEmpty()) windows_menu -> addSeparator();
 	for (int i = 0 ; i < windows.size() ; ++ i) {
 		DiagramView *dv = qobject_cast<DiagramView *>(windows.at(i));
+		if (!dv) continue;
 		QString dv_title = dv -> windowTitle().left(dv -> windowTitle().length() - 3);
 		QAction *action  = windows_menu -> addAction(dv_title);
 		action -> setStatusTip(tr("Active la fen\352tre ") + dv_title);
@@ -831,8 +840,20 @@ void QETDiagramEditor::slot_shrink() {
 	sv -> shrink();
 }
 
+/**
+	Edite les proprietes du conducteur selectionne
+*/
 void QETDiagramEditor::slot_editConductor() {
 	if (DiagramView *dv = currentDiagram()) {
 		dv -> editConductor();
 	}
 }
+
+/**
+	Reinitialise les conducteurs selectionnes
+*/
+void QETDiagramEditor::slot_resetConductors() {
+	if (DiagramView *dv = currentDiagram()) {
+		dv -> resetConductors();
+	}
+}
diff --git a/qetdiagrameditor.h b/qetdiagrameditor.h
index 345d5f648..b250a7297 100644
--- a/qetdiagrameditor.h
+++ b/qetdiagrameditor.h
@@ -66,6 +66,7 @@ class QETDiagramEditor : public QMainWindow {
 	void slot_expand();
 	void slot_shrink();
 	void slot_editConductor();
+	void slot_resetConductors();
 	
 	// attributs
 	protected:
@@ -92,6 +93,7 @@ class QETDiagramEditor : public QMainWindow {
 	QAction *delete_selection;
 	QAction *rotate_selection;
 	QAction *conductor_prop;
+	QAction *conductor_reset;
 	QAction *infos_diagram;
 	QAction *add_column;
 	QAction *remove_column;