diff --git a/dynawaltz/src/main/java/com/powsybl/dynawaltz/builders/BuildersUtil.java b/dynawaltz/src/main/java/com/powsybl/dynawaltz/builders/BuildersUtil.java
index 5302d4b77..f54c6594c 100644
--- a/dynawaltz/src/main/java/com/powsybl/dynawaltz/builders/BuildersUtil.java
+++ b/dynawaltz/src/main/java/com/powsybl/dynawaltz/builders/BuildersUtil.java
@@ -19,14 +19,26 @@ public final class BuildersUtil {
     private BuildersUtil() {
     }
 
+    /**
+     * Returns the ActionConnectionPoint (bus or bus bar section) identified by the staticId parameter
+     * Verifies the point is properly energized, if not returns null
+     * @param network the network containing the ActionConnectionPoint
+     * @param staticId the identifiable id
+     * @return the energized action connection point if found, <code>null</code> instead
+     */
     public static Identifiable<?> getActionConnectionPoint(Network network, String staticId) {
         BusbarSection busbarSection = network.getBusbarSection(staticId);
         return busbarSection != null && !Double.isNaN(busbarSection.getV())
                 ? busbarSection
-                : getVoltageOnBus(network.getBusBreakerView().getBus(staticId));
+                : getEnergizedBus(network.getBusBreakerView().getBus(staticId));
     }
 
-    private static Bus getVoltageOnBus(Bus bus) {
+    /**
+     * Verifies and returns the bus if it is properly energized, if not returns null
+     * @param bus the reviewed bus
+     * @return the energized bus if found, <code>null</code> instead
+     */
+    private static Bus getEnergizedBus(Bus bus) {
         return bus != null && bus.isInMainConnectedComponent() && !Double.isNaN(bus.getV()) ? bus : null;
     }
 }
diff --git a/dynawaltz/src/main/java/com/powsybl/dynawaltz/models/buses/ActionConnectionPoint.java b/dynawaltz/src/main/java/com/powsybl/dynawaltz/models/buses/ActionConnectionPoint.java
index 9bb2d8d2a..2478c7364 100644
--- a/dynawaltz/src/main/java/com/powsybl/dynawaltz/models/buses/ActionConnectionPoint.java
+++ b/dynawaltz/src/main/java/com/powsybl/dynawaltz/models/buses/ActionConnectionPoint.java
@@ -12,7 +12,7 @@
 import java.util.Optional;
 
 /**
- * Interface for buses used by automatons for measure or event for various actions
+ * Interface for buses and bsu bar sections used by automatons for measure or event for various actions
  * @author Laurent Issertial {@literal <laurent.issertial at rte-france.com>}
  */
 public interface ActionConnectionPoint extends Model {