diff --git a/src/zepben/ewb/model/cim/iec61970/base/core/feeder.py b/src/zepben/ewb/model/cim/iec61970/base/core/feeder.py
index 12a89060..f703b4e7 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/core/feeder.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/core/feeder.py
@@ -9,6 +9,8 @@
 
 from typing import Optional, Dict, List, Generator, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb import get_by_mrid
 from zepben.ewb.model.cim.extensions.zbex import zbex
 from zepben.ewb.model.cim.iec61970.base.core.equipment_container import EquipmentContainer
@@ -33,8 +35,7 @@ class Feeder(EquipmentContainer):
     _normal_head_terminal: Terminal | None = None
     """The normal head terminal or terminals of the feeder."""
 
-    normal_energizing_substation: Substation | None = None
-    """The substation that normally energizes the feeder. Also used for naming purposes."""
+    _normal_energizing_substation: Substation | None = None
 
     _current_equipment: Dict[str, Equipment] | None = None
     """The equipment contained in this feeder in the current state of the network."""
@@ -93,6 +94,16 @@ def normal_head_terminal(self, term: Optional[Terminal]):
         else:
             raise ValueError(f"Feeder {self.mrid} has equipment assigned to it. Cannot update normalHeadTerminal on a feeder with equipment assigned.")
 
+    @property
+    def normal_energizing_substation(self):
+        """The substation that normally energizes the feeder. Also used for naming purposes."""
+        return self._normal_energizing_substation
+
+    @normal_energizing_substation.setter
+    @deprecated("normal_energizing_substation should never be set directly - it is automatically set when adding it to the `feeders` list")
+    def normal_energizing_substation(self, value):
+        self._normal_energizing_substation = value
+
     @property
     def current_equipment(self) -> Generator[Equipment, None, None]:
         """
diff --git a/src/zepben/ewb/model/cim/iec61970/base/core/sub_geographical_region.py b/src/zepben/ewb/model/cim/iec61970/base/core/sub_geographical_region.py
index c85a7a8a..12996f72 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/core/sub_geographical_region.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/core/sub_geographical_region.py
@@ -9,6 +9,8 @@
 
 from typing import Optional, List, Generator, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.identified_object import IdentifiedObject
 from zepben.ewb.util import nlen, ngen, get_by_mrid, safe_remove, require
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
@@ -24,8 +26,7 @@ class SubGeographicalRegion(IdentifiedObject):
     A subset of a geographical region of a power system network model.
     """
 
-    geographical_region: Optional[GeographicalRegion] = None
-    """The geographical region to which this sub-geographical region is within."""
+    _geographical_region: Optional[GeographicalRegion] = None
 
     _substations: Optional[List[Substation]] = None
 
@@ -35,6 +36,17 @@ def __init__(self, *args, substations: List[Substation] = None, **kwargs):
             for sub in substations:
                 self.add_substation(sub)
 
+
+    @property
+    def geographical_region(self):
+        """The geographical region to which this sub-geographical region is within."""
+        return self._geographical_region
+
+    @geographical_region.setter
+    @deprecated("geographical_region should never be set directly - it is automatically set when adding it to the `sub_geographical_regions` list")
+    def geographical_region(self, value):
+        self._geographical_region = value
+
     def num_substations(self) -> int:
         """
         Returns The number of `Substation`s associated with this `SubGeographicalRegion`
diff --git a/src/zepben/ewb/model/cim/iec61970/base/core/substation.py b/src/zepben/ewb/model/cim/iec61970/base/core/substation.py
index 8e3aa4f5..8027c538 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/core/substation.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/core/substation.py
@@ -9,6 +9,8 @@
 
 from typing import Optional, Generator, List, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.equipment_container import EquipmentContainer
 from zepben.ewb.util import nlen, get_by_mrid, ngen, safe_remove, require
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
@@ -27,8 +29,7 @@ class Substation(EquipmentContainer):
     is passed for the purposes of switching or modifying its characteristics.
     """
 
-    sub_geographical_region: Optional[SubGeographicalRegion] = None
-    """The SubGeographicalRegion containing the substation."""
+    _sub_geographical_region: Optional[SubGeographicalRegion] = None
 
     _normal_energized_feeders: Optional[List[Feeder]] = None
 
@@ -53,6 +54,17 @@ def __init__(self, *args, normal_energized_feeders: List[Feeder] = None, loops:
             for circuit in circuits:
                 self.add_circuit(circuit)
 
+
+    @property
+    def sub_geographical_region(self):
+        """The SubGeographicalRegion containing the substation."""
+        return self._sub_geographical_region
+
+    @sub_geographical_region.setter
+    @deprecated("sub_geographical_region should never be set directly - it is automatically set when adding it to the `substations` list")
+    def sub_geographical_region(self, value):
+        self._sub_geographical_region = value
+
     @property
     def circuits(self) -> Generator[Circuit, None, None]:
         """
diff --git a/src/zepben/ewb/model/cim/iec61970/base/core/terminal.py b/src/zepben/ewb/model/cim/iec61970/base/core/terminal.py
index 9c4a4054..a7d43f2d 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/core/terminal.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/core/terminal.py
@@ -11,6 +11,8 @@
 from typing import TYPE_CHECKING
 from weakref import ref, ReferenceType
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.ac_dc_terminal import AcDcTerminal
 from zepben.ewb.model.cim.iec61970.base.core.feeder import Feeder
 from zepben.ewb.model.cim.iec61970.base.core.phase_code import PhaseCode
@@ -91,6 +93,7 @@ def conducting_equipment(self):
         return self._conducting_equipment
 
     @conducting_equipment.setter
+    @deprecated("conducting_equipment should never be set directly - it is automatically set when adding it to the `terminals` list")
     def conducting_equipment(self, ce):
         if self._conducting_equipment is None or self._conducting_equipment is ce:
             self._conducting_equipment = ce
diff --git a/src/zepben/ewb/model/cim/iec61970/base/diagramlayout/diagram_object.py b/src/zepben/ewb/model/cim/iec61970/base/diagramlayout/diagram_object.py
index d203c13d..9bf75a7f 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/diagramlayout/diagram_object.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/diagramlayout/diagram_object.py
@@ -9,6 +9,8 @@
 
 from typing import Optional, List, Generator, Callable, TYPE_CHECKING, Any
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.identified_object import IdentifiedObject
 from zepben.ewb.model.cim.iec61970.base.diagramlayout.diagram_object_point import DiagramObjectPoint
 from zepben.ewb.util import nlen, ngen, require, safe_remove
@@ -26,7 +28,6 @@ class DiagramObject(IdentifiedObject):
     """
 
     _diagram: Optional[Diagram] = None
-    """A diagram object is part of a diagram."""
 
     identified_object_mrid: Optional[str] = None
     """The domain object to which this diagram object is associated."""
@@ -49,9 +50,11 @@ def __init__(self, *args, diagram: Diagram = None, diagram_object_points: List[D
 
     @property
     def diagram(self):
+        """A diagram object is part of a diagram."""
         return self._diagram
 
     @diagram.setter
+    @deprecated("diagram should never be set directly - it is automatically set when adding it to the `diagram_objects` list")
     def diagram(self, diag):
         if self._diagram is None or self._diagram is diag:
             self._diagram = diag
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/ac_line_segment_phase.py b/src/zepben/ewb/model/cim/iec61970/base/wires/ac_line_segment_phase.py
index 6e8feba1..4ca992a9 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/ac_line_segment_phase.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/ac_line_segment_phase.py
@@ -9,6 +9,8 @@
 
 from typing import TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.power_system_resource import PowerSystemResource
 from zepben.ewb.model.cim.iec61970.base.wires.single_phase_kind import SinglePhaseKind
 from zepben.ewb.model.cim.iec61968.assetinfo.wire_info import WireInfo
@@ -45,6 +47,7 @@ def ac_line_segment(self) -> 'AcLineSegment | None':
         return self._ac_line_segment
 
     @ac_line_segment.setter
+    @deprecated("ac_line_segment should never be set directly - it is automatically set when adding it to the `phases` list")
     def ac_line_segment(self, ac_line_segment: 'AcLineSegment') -> None:
         if self._ac_line_segment is None or self._ac_line_segment is ac_line_segment:
             self._ac_line_segment = ac_line_segment
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/clamp.py b/src/zepben/ewb/model/cim/iec61970/base/wires/clamp.py
index 890df154..f845a3c8 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/clamp.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/clamp.py
@@ -7,6 +7,8 @@
 
 from typing import Optional, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.conducting_equipment import ConductingEquipment
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
 
@@ -24,11 +26,20 @@ class Clamp(ConductingEquipment):
     length_from_terminal_1: Optional[float] = None
     """The length to the place where the clamp is located starting from side one of the line segment, i.e. the line segment terminal with sequence number equal to 1."""
 
-    ac_line_segment: Optional['AcLineSegment'] = None
-    """The line segment to which the clamp is connected."""
+    _ac_line_segment: Optional['AcLineSegment'] = None
 
     max_terminals = 1
 
+    @property
+    def ac_line_segment(self) -> Optional['AcLineSegment']:
+        """The line segment to which the clamp is connected."""
+        return self._ac_line_segment
+
+    @ac_line_segment.setter
+    @deprecated("ac_line_segment should never be set directly - it is automatically set when adding it to the `clamps` list")
+    def ac_line_segment(self, value):
+        self._ac_line_segment = value
+
     @property
     def length_from_t1_or_0(self) -> float:
         return self.length_from_terminal_1 or 0.0
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/cut.py b/src/zepben/ewb/model/cim/iec61970/base/wires/cut.py
index abb8a5d6..2a9cd9e1 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/cut.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/cut.py
@@ -7,6 +7,8 @@
 
 from typing import Optional, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.wires.switch import Switch
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
 
@@ -30,8 +32,17 @@ class Cut(Switch):
     length_from_terminal_1: Optional[float] = None
     """The length to the place where the cut is located starting from side one of the cut line segment, i.e. the line segment Terminal with sequenceNumber equal to 1."""
 
-    ac_line_segment: Optional['AcLineSegment'] = None
-    """The line segment to which the cut is applied."""
+    _ac_line_segment: Optional['AcLineSegment'] = None
+
+    @property
+    def ac_line_segment(self) -> Optional['AcLineSegment']:
+        """The line segment to which the cut is applied."""
+        return self._ac_line_segment
+
+    @ac_line_segment.setter
+    @deprecated("ac_line_segment should never be set directly - it is automatically set when adding it to the `cuts` list")
+    def ac_line_segment(self, value):
+        self._ac_line_segment = value
 
     @property
     def length_from_t1_or_0(self) -> float:
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/energy_consumer_phase.py b/src/zepben/ewb/model/cim/iec61970/base/wires/energy_consumer_phase.py
index 7f9bb94b..fa7f3e22 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/energy_consumer_phase.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/energy_consumer_phase.py
@@ -7,6 +7,8 @@
 
 from typing import Optional, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.power_system_resource import PowerSystemResource
 from zepben.ewb.model.cim.iec61970.base.wires.single_phase_kind import SinglePhaseKind
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
@@ -51,6 +53,7 @@ def energy_consumer(self):
         return self._energy_consumer
 
     @energy_consumer.setter
+    @deprecated("energy_consumer should never be set directly - it is automatically set when adding it to the `phases` list")
     def energy_consumer(self, ec):
         if self._energy_consumer is None or self._energy_consumer is ec:
             self._energy_consumer = ec
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/energy_source_phase.py b/src/zepben/ewb/model/cim/iec61970/base/wires/energy_source_phase.py
index 1246b46c..1824b259 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/energy_source_phase.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/energy_source_phase.py
@@ -7,6 +7,8 @@
 
 from typing import Optional, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.power_system_resource import PowerSystemResource
 from zepben.ewb.model.cim.iec61970.base.wires.single_phase_kind import SinglePhaseKind
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
@@ -40,6 +42,7 @@ def energy_source(self):
         return self._energy_source
 
     @energy_source.setter
+    @deprecated("energy_sounrce should never be set directly - it is automatically set when adding it to the `phases` list")
     def energy_source(self, es):
         if self._energy_source is None or self._energy_source is es:
             self._energy_source = es
diff --git a/src/zepben/ewb/model/cim/iec61970/base/wires/power_electronics_connection_phase.py b/src/zepben/ewb/model/cim/iec61970/base/wires/power_electronics_connection_phase.py
index b1fc8cc4..97bc92b8 100644
--- a/src/zepben/ewb/model/cim/iec61970/base/wires/power_electronics_connection_phase.py
+++ b/src/zepben/ewb/model/cim/iec61970/base/wires/power_electronics_connection_phase.py
@@ -7,6 +7,8 @@
 
 from typing import Optional, TYPE_CHECKING
 
+from typing_extensions import deprecated
+
 from zepben.ewb.model.cim.iec61970.base.core.power_system_resource import PowerSystemResource
 from zepben.ewb.model.cim.iec61970.base.wires.single_phase_kind import SinglePhaseKind
 from zepben.ewb.dataclass_descriptors.dataclass_base import zb_dataclass
@@ -19,8 +21,7 @@
 class PowerElectronicsConnectionPhase(PowerSystemResource):
     """A single phase of a power electronics connection."""
 
-    power_electronics_connection: Optional['PowerElectronicsConnection'] = None
-    """The power electronics connection to which the phase belongs."""
+    _power_electronics_connection: Optional['PowerElectronicsConnection'] = None
 
     p: Optional[float] = None
     """Active power injection. Load sign convention is used, i.e. positive sign means flow into the equipment from the network."""
@@ -34,3 +35,13 @@ class PowerElectronicsConnectionPhase(PowerSystemResource):
 
     q: Optional[float] = None
     """Reactive power injection. Load sign convention is used, i.e. positive sign means flow into the equipment from the network."""
+
+    @property
+    def power_electronics_connection(self):
+        """The power electronics connection to which the phase belongs."""
+        return self._power_electronics_connection
+
+    @power_electronics_connection.setter
+    @deprecated("power_electronics_connection should never be set directly - it is automatically set when adding it to the `phases` list")
+    def power_electronics_connection(self, value):
+        self._power_electronics_connection = value
\ No newline at end of file