Daily usage of the following espresso machines should not exceed 60 cups per day. The reason is the pump would burn out from overuse. The machine can be powered on throughout the day. However, a surge suppressor of 1080 joules or higher should be plugged into the outlet to protect the machine from slight surges that may occur in the office from other appliances or equipment. An individual and a backup in the office should be assigned to daily, weekly, and monthly maintenance to avoid costly repairs.