diff --git a/doc/source/conf.py b/doc/source/conf.py
index d6d9c1465e..077f22cdde 100644
--- a/doc/source/conf.py
+++ b/doc/source/conf.py
@@ -367,6 +367,7 @@ def setup(app):
     "examples/use_configuration/import_setup_ac": "_static/thumbnails/101_getting_started.png",
     "examples/use_configuration/import_padstack_definitions": "_static/thumbnails/101_getting_started.png",
     "examples/use_configuration/import_components": "_static/thumbnails/101_getting_started.png",
+    "examples/use_configuration/import_sources": "_static/thumbnails/101_getting_started.png",
 }
 
 nbsphinx_custom_formats = {
diff --git a/examples/use_configuration/import_ports.py b/examples/use_configuration/import_ports.py
index d625c87c46..9bcf7f8697 100644
--- a/examples/use_configuration/import_ports.py
+++ b/examples/use_configuration/import_ports.py
@@ -8,7 +8,7 @@
 #   - Add a circuit port between two pin groups
 #   - Add a circuit port between two coordinates
 #   - Add a coax port
-#   - Add a port reference to the neareast pin
+#   - Add a port reference to the nearest pin
 #   - Add distributed ports
 # - Import the configuration file
 
@@ -48,7 +48,7 @@
 # - **name**. Name of the port.
 # - **Reference_designator**. Reference designator of the component.
 # - **type**. Type of the port. Supported types are 'circuit', 'coax'
-# - **positve_terminal**. Positive terminal of the port. Supported types are 'net', 'pin', 'pin_group', 'coordinates'
+# - **positive_terminal**. Positive terminal of the port. Supported types are 'net', 'pin', 'pin_group', 'coordinates'
 # - **negative_terminal**. Negative terminal of the port. Supported types are 'net', 'pin', 'pin_group', 'coordinates',
 # 'nearest_pin'
 
diff --git a/examples/use_configuration/import_sources.py b/examples/use_configuration/import_sources.py
new file mode 100644
index 0000000000..7bf6472e1f
--- /dev/null
+++ b/examples/use_configuration/import_sources.py
@@ -0,0 +1,163 @@
+# # Import Sources
+# This example shows how to import voltage and current sources. In this example, we are going to
+#
+# - Download an example board
+# - Create a configuration file
+#   - Add a voltage source between two nets
+#   - Add a current source between two pins
+#   - Add a current source between two pin groups
+#   - Add a current source between two coordinates
+#   - Add a current source to the nearest pin
+#   - Add distributed sources
+# - Import the configuration file
+
+# ## Import the required packages
+
+# +
+import json
+from pathlib import Path
+import tempfile
+
+from ansys.aedt.core.downloads import download_file
+
+from pyedb import Edb
+
+AEDT_VERSION = "2024.2"
+NG_MODE = False
+
+# -
+
+# Download the example PCB data.
+
+temp_folder = tempfile.TemporaryDirectory(suffix=".ansys")
+file_edb = download_file(source="edb/ANSYS-HSD_V1.aedb", destination=temp_folder.name)
+
+# ## Load example layout
+
+edbapp = Edb(file_edb, edbversion=AEDT_VERSION)
+
+# ## Create an empty dictionary to host all configurations
+
+cfg = dict()
+
+# ## Add a voltage source between two nets
+
+# Keywords
+#
+# - **name**. Name of the voltage source.
+# - **Reference_designator**. Reference designator of the component.
+# - **type**. Type of the source. Supported types are 'voltage', 'current'
+# - **positive_terminal**. Supported types are 'net', 'pin', 'pin_group', 'coordinates'
+# - **negative_terminal**. Supported types are 'net', 'pin', 'pin_group', 'coordinates',
+# 'nearest_pin'
+
+voltage_source = {
+    "name": "V_SOURCE_5V",
+    "reference_designator": "U4",
+    "type": "circuit",
+    "positive_terminal": {"net": "5V"},
+    "negative_terminal": {"net": "GND"},
+}
+
+# ## Add a current source between two pins
+
+current_source_1 = {
+    "name": "I_CURRENT_1A",
+    "reference_designator": "J5",
+    "type": "current",
+    "positive_terminal": {"pin": "15"},
+    "negative_terminal": {"pin": "14"},
+}
+
+# ## Add a current source between two pin groups
+
+pin_groups = [
+    {"name": "IC2_5V", "reference_designator": "IC2", "pins": ["8"]},
+    {"name": "IC2_GND", "reference_designator": "IC2", "net": "GND"},
+]
+
+current_source_2 = {
+    "name": "CURRENT_SOURCE_2",
+    "type": "current",
+    "positive_terminal": {"pin_group": "IC2_5V"},
+    "negative_terminal": {"pin_group": "IC2_GND"},
+}
+
+# ## Add a current source between two coordinates
+
+# Keywords
+#
+# - **layer**. Layer on which the terminal is placed
+# - **point**. XY coordinate the terminal is placed
+# - **net**. Name of the net the terminal is placed on
+
+current_source_3 = {
+    "name": "CURRENT_SOURCE_3",
+    "type": "current",
+    "positive_terminal": {"coordinates": {"layer": "1_Top", "point": ["116mm", "41mm"], "net": "5V"}},
+    "negative_terminal": {"coordinates": {"layer": "Inner1(GND1)", "point": ["116mm", "41mm"], "net": "GND"}},
+}
+
+# ## Add a current source reference to the nearest pin
+
+# Keywords
+#
+# - **reference_net**. Name of the reference net
+# - **search_radius**. Reference pin search radius in meter
+
+current_source_4 = {
+    "name": "CURRENT_SOURCE_4",
+    "reference_designator": "J5",
+    "type": "current",
+    "positive_terminal": {"pin": "16"},
+    "negative_terminal": {"nearest_pin": {"reference_net": "GND", "search_radius": 5e-3}},
+}
+
+# ## Add distributed current sources
+
+# Keywords
+#
+# - **distributed**. Whether to create distributed sources. When set to True, ports are created per pin
+
+sources_distributed = {
+    "name": "DISTRIBUTED",
+    "reference_designator": "U2",
+    "type": "current",
+    "distributed": True,
+    "positive_terminal": {"net": "5V"},
+    "negative_terminal": {"net": "GND"},
+}
+
+# ## Add setups in configuration
+
+cfg["pin_groups"] = pin_groups
+cfg["sources"] = [
+    voltage_source,
+    current_source_1,
+    current_source_2,
+    current_source_3,
+    current_source_4,
+    sources_distributed,
+]
+
+# ## Write configuration into as json file
+
+file_json = Path(temp_folder.name) / "edb_configuration.json"
+with open(file_json, "w") as f:
+    json.dump(cfg, f, indent=4, ensure_ascii=False)
+
+# ## Import configuration into example layout
+
+edbapp.configuration.load(config_file=file_json)
+edbapp.configuration.run()
+
+# ## Review
+
+edbapp.siwave.sources
+
+# ## Save and close Edb
+# The temporary folder will be deleted once the execution of this script is finished. Replace **edbapp.save()** with
+# **edbapp.save_as("C:/example.aedb")** to keep the example project.
+
+edbapp.save()
+edbapp.close()
diff --git a/examples/use_configuration/index.rst b/examples/use_configuration/index.rst
index e9257852d6..8012729af7 100644
--- a/examples/use_configuration/index.rst
+++ b/examples/use_configuration/index.rst
@@ -20,3 +20,4 @@ Step explanation
         import_setup_ac.py
         import_padstack_definitions.py
         import_components.py
+        import_sources.py
diff --git a/pyproject.toml b/pyproject.toml
index 46be5d9856..b00daae875 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -59,11 +59,11 @@ doc = [
     "pypandoc>=1.10.0,<1.15",
     # NOTE: Remove recommonmark once examples are reworked.
     "recommonmark",
-    "Sphinx>=7.1.0,<8.1",
+    "Sphinx>=7.1.0,<8.2",
     "sphinx-autobuild==2021.3.14; python_version == '3.8'",
     "sphinx-autobuild==2024.10.3; python_version > '3.8'",
     "sphinx-copybutton>=0.5.0,<0.6",
-    "sphinx-gallery>=0.14.0,<0.18",
+    "sphinx-gallery>=0.14.0,<0.19",
     "sphinx_design>=0.4.0,<0.7",
 ]
 full = [
diff --git a/src/pyedb/__init__.py b/src/pyedb/__init__.py
index a03101cc88..b8cb9e1325 100644
--- a/src/pyedb/__init__.py
+++ b/src/pyedb/__init__.py
@@ -70,7 +70,7 @@ def custom_show_warning(message, category, filename, lineno, file=None, line=Non
 #
 
 pyedb_path = os.path.dirname(__file__)
-__version__ = "0.30.dev0"
+__version__ = "0.32.dev0"
 version = __version__
 
 #
diff --git a/src/pyedb/configuration/cfg_operations.py b/src/pyedb/configuration/cfg_operations.py
index 19e7c0f12e..9d7701ce10 100644
--- a/src/pyedb/configuration/cfg_operations.py
+++ b/src/pyedb/configuration/cfg_operations.py
@@ -60,10 +60,11 @@ def get_data_from_db(self):
 
                 net_names = []
                 for name, obj in self._pedb.nets.nets.items():
-                    if obj.primitives[0].layer.name == "pyedb_cutout":
-                        continue
-                    if len(obj.primitives) > 0:
-                        net_names.append(name)
+                    if obj.primitives:
+                        if obj.primitives[0].layer.name == "pyedb_cutout":
+                            continue
+                        else:
+                            net_names.append(name)
 
                 self.reference_list = []
                 self.signal_list = net_names
diff --git a/src/pyedb/dotnet/edb_core/layout_validation.py b/src/pyedb/dotnet/edb_core/layout_validation.py
index 866a0adb3b..cfd6fb86ac 100644
--- a/src/pyedb/dotnet/edb_core/layout_validation.py
+++ b/src/pyedb/dotnet/edb_core/layout_validation.py
@@ -332,9 +332,7 @@ def padstacks_no_name(self, fix=False):
                 counts += 1
                 if fix:
                     if not obj.component:
-                        obj._edb_object.SetProductProperty(
-                            self._pedb.edb_api.ProductId.Designer, 11, f"via_{via_count}"
-                        )
+                        obj._edb_object.SetProductProperty(self._pedb.edb_api.ProductId.Designer, 11, f"Via{via_count}")
                         via_count = via_count + 1
                     else:
                         obj._edb_object.SetProductProperty(
diff --git a/src/pyedb/dotnet/edb_core/materials.py b/src/pyedb/dotnet/edb_core/materials.py
index 94de6c53e9..9ebf884a33 100644
--- a/src/pyedb/dotnet/edb_core/materials.py
+++ b/src/pyedb/dotnet/edb_core/materials.py
@@ -69,6 +69,7 @@
     "dc_conductivity",
     "dc_permittivity",
 ]
+PERMEABILITY_DEFAULT_VALUE = 1
 
 
 def get_line_float_value(line):
@@ -507,6 +508,9 @@ def add_material(self, name: str, **kwargs):
 
         material_def = self.__edb_definition.MaterialDef.Create(self.__edb.active_db, name)
         material = Material(self.__edb, material_def)
+        # Apply default values to the material
+        if "permeability" not in kwargs:
+            kwargs["permeability"] = PERMEABILITY_DEFAULT_VALUE
         attributes_input_dict = {key: val for (key, val) in kwargs.items() if key in ATTRIBUTES + DC_ATTRIBUTES}
         if "loss_tangent" in kwargs:  # pragma: no cover
             warnings.warn(
diff --git a/tests/legacy/system/test_edb_materials.py b/tests/legacy/system/test_edb_materials.py
index 1b084274a1..fc6ab5d18a 100644
--- a/tests/legacy/system/test_edb_materials.py
+++ b/tests/legacy/system/test_edb_materials.py
@@ -27,7 +27,12 @@
 
 import pytest
 
-from pyedb.dotnet.edb_core.materials import Material, MaterialProperties, Materials
+from pyedb.dotnet.edb_core.materials import (
+    PERMEABILITY_DEFAULT_VALUE,
+    Material,
+    MaterialProperties,
+    Materials,
+)
 from tests.conftest import local_path
 
 pytestmark = [pytest.mark.system, pytest.mark.legacy]
@@ -171,7 +176,9 @@ def test_materials_add_material(self):
 
         material = materials.add_material(MATERIAL_NAME, permittivity=12)
         assert material
-        material.name == materials[MATERIAL_NAME].name
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_material(MATERIAL_NAME, permittivity=12)
 
@@ -181,7 +188,9 @@ def test_materials_add_conductor_material(self):
 
         material = materials.add_conductor_material(MATERIAL_NAME, 12, permittivity=12)
         assert material
-        _ = materials[MATERIAL_NAME]
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_conductor_material(MATERIAL_NAME, 12, permittivity=12)
 
@@ -191,7 +200,9 @@ def test_materials_add_dielectric_material(self):
 
         material = materials.add_dielectric_material(MATERIAL_NAME, 12, 12, conductivity=12)
         assert material
-        _ = materials[MATERIAL_NAME]
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_dielectric_material(MATERIAL_NAME, 12, 12, conductivity=12)
 
@@ -203,7 +214,9 @@ def test_materials_add_djordjevicsarkar_dielectric(self):
             MATERIAL_NAME, 4.3, 0.02, 9, dc_conductivity=1e-12, dc_permittivity=5, conductivity=0
         )
         assert material
-        _ = materials[MATERIAL_NAME]
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_djordjevicsarkar_dielectric(
                 MATERIAL_NAME, 4.3, 0.02, 9, dc_conductivity=1e-12, dc_permittivity=5, conductivity=0
@@ -215,7 +228,9 @@ def test_materials_add_debye_material(self):
 
         material = materials.add_debye_material(MATERIAL_NAME, 6, 4, 0.02, 0.05, 1e9, 10e9, conductivity=0)
         assert material
-        _ = materials[MATERIAL_NAME]
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_debye_material(MATERIAL_NAME, 6, 4, 0.02, 0.05, 1e9, 10e9, conductivity=0)
 
@@ -230,7 +245,9 @@ def test_materials_add_multipole_debye_material(self):
             MATERIAL_NAME, frequencies, relative_permitivities, loss_tangents, conductivity=0
         )
         assert material
-        _ = materials[MATERIAL_NAME]
+        assert material.name == materials[MATERIAL_NAME].name
+        # Check default values
+        assert material.permeability == PERMEABILITY_DEFAULT_VALUE
         with pytest.raises(ValueError):
             materials.add_multipole_debye_material(
                 MATERIAL_NAME, frequencies, relative_permitivities, loss_tangents, conductivity=0