def METHOD_NAME(self):
    """
    Retrieves present electric current supplied by PSU
    Returns:
        A float number, the electric current in amperes, e.g 15.4
    """
    current_out = 0.0
    attr_path = PSU_DIR+self.psu_current_out_attr
    attr_rv = self.__get_attr_value(attr_path)
    if (attr_rv != 'ERR'):
        current_out = float(attr_rv) / 1000
    return current_out