After a jury in a case of felony is impaneled and sworn, the court, in its discretion, may order the jury to be placed in the custody of the sheriff or other officer or officers designated by the court until the jury agree upon a verdict or are discharged by the court. While a jury is in the custody of the sheriff or other officer or officers as herein provided, they shall be furnished with suitable board and lodgings by the sheriff or other officer. After a jury has been impaneled no sheriff or other officer shall converse with, or permit anyone else to converse with, a juror unless by leave of the court. When the court orders a jury to be placed in the custody of the sheriff or other officer or officers, the court shall, in its discretion, determine the manner in which such jury shall be kept in custody by the sheriff or other officer or officers until the jury agree upon a verdict or are discharged by the court.