def __init__(self, **kwargs):
        super().__init__(**kwargs)

        self.string_id = kwargs.get('string_id', None)
        self.branch_no = kwargs.get('branch_no', None)
        self.load_no = kwargs.get('load_no', None)
        self.id_db = self.grid.cable_distributors_count() + 1
        self.in_building = kwargs.get('in_building', False)