diff --git a/diylc/diylc-library/src/org/diylc/components/misc/LoadlineEntity.java b/diylc/diylc-library/src/org/diylc/components/misc/LoadlineEntity.java
new file mode 100644
index 00000000..48e76139
--- /dev/null
+++ b/diylc/diylc-library/src/org/diylc/components/misc/LoadlineEntity.java
@@ -0,0 +1,111 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC 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 3 of the License, or
+    (at your option) any later version.
+
+    DIYLC 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 DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.components.misc;
+
+import java.awt.geom.Point2D;
+import java.io.Serializable;
+import java.util.List;
+
+import org.diylc.core.measures.Current;
+import org.diylc.core.measures.Power;
+import org.diylc.core.measures.Voltage;
+
+/**
+ * Represents a complete load characteristics, used for tubes and transistors.
+ * 
+ * @author bancika
+ */
+public class LoadlineEntity implements Serializable {
+
+  private static final long serialVersionUID = 1L;
+  
+  private String name;
+  private Power maxDissipation;
+  private Voltage maxVoltage;
+  private Current maxCurrent;
+  private List<Line> lines;
+  
+  public LoadlineEntity() {
+  }
+
+  public String getName() {
+    return name;
+  }
+  
+  public void setName(String name) {
+    this.name = name;
+  }
+  
+  public Power getMaxDissipation() {
+    return maxDissipation;
+  }
+  
+  public void setMaxDissipation(Power maxDissipation) {
+    this.maxDissipation = maxDissipation;
+  }
+  
+  public Voltage getMaxVoltage() {
+    return maxVoltage;
+  }
+
+  public void setMaxVoltage(Voltage maxVoltage) {
+    this.maxVoltage = maxVoltage;
+  }
+
+  public Current getMaxCurrent() {
+    return maxCurrent;
+  }
+
+  public void setMaxCurrent(Current maxCurrent) {
+    this.maxCurrent = maxCurrent;
+  }
+  
+  public List<Line> getLines() {
+    return lines;
+  }
+  
+  public void setLines(List<Line> lines) {
+    this.lines = lines;
+  }
+
+  // Individual load line, tied to the grid voltage
+  public static class Line {
+    private Voltage voltage;
+    private Point2D[] controlPoints;
+    
+    public Voltage getVoltage() {
+      return voltage;
+    }
+    
+    public void setVoltage(Voltage voltage) {
+      this.voltage = voltage;
+    }
+    
+    public Point2D[] getControlPoints() {
+      return controlPoints;
+    }
+    
+    public void setControlPoints(Point2D[] controlPoints) {
+      this.controlPoints = controlPoints;
+    }
+  }
+}