diff --git a/electricity.cpp b/electricity.cpp
new file mode 100644
index 0000000..e50cba2
--- /dev/null
+++ b/electricity.cpp
@@ -0,0 +1,55 @@
+include <iostream>
+#include "electricity.h"
+
+using namespace std;
+
+bool Object::isConnectedTo(const Object& other) const
+{
+// TODO
+return false;
+}
+
+bool Object::connect(const std::string& poleName, Object& other, const std::string& otherPoleName)
+{
+// TODO
+return false;
+}
+
+bool Object::disconnect(const std::string& poleName)
+{
+// TODO
+return false;
+}
+
+Switch::Switch(const std::string& name)
+: Object(name)
+, a1("A1")
+, a2("A2")
+{
+}
+
+const Pole* Switch::getPole(const string& name) const
+{
+if (name == a1.name)
+return &a1;
+if (name == a2.name)
+return &a2;
+return nullptr;
+}
+
+const Pole* Switch::getPole(size_t idx) const
+{
+// TODO
+return nullptr;
+}
+
+int main()
+{
+Switch sw, sw2;
+sw.connect("A2", sw2, "A1");
+cout « "is " « (sw.isConnectedTo(sw2) ? "" : "not ") « "connected" « endl;
+
+// TODO: создать цепь из генератора, выключателя и светильника
+
+return 0;
+}