public void ElectricEquipmentWithDefaultTest()
        {
            // use 0 for watts per area as same as double type's default value
            var elecEqp = new ElectricEquipmentAbridged("new_elec_eqp", 0, "some_schedule");
            var dup     = elecEqp.DuplicateElectricEquipmentAbridged();

            Assert.IsTrue(elecEqp.Equals(dup));
        }