These requirements apply to the installation of alarm protection products and devices connected to form a residential burglar alarm system. These requirements include the criteria for classifying the extent of alarm protection at an individual residence as either basic protection or expanded protection. A residential burglar alarm system may or may not have a remote connection to a central station@ proprietary station@ residential monitoring station@ or police station. If there is a remote connection@ the signal receiving location shall comply with the requirements in the following standards@ as applicable: a) The Standard for Central-Station Alarm Services@ UL 827; b) The Standard for Proprietary Burglar Alarm Units and Systems@ UL 1076; and c) The Standard for Police Station Connected Burglar Alarm Units and Systems@ UL 365. Alarm systems covered by these requirements have a sounding device that may be mounted indoors or outdoors. These systems comply with the requirements for Class 2 remote-control and signal circuits as defined by Article 725 of the National Electrical Code@ NFPA 70. Systems using both fire and burglary protection operate as defined by Article 760 of the National Electrical Code@ NFPA 70. The requirements assume that standard telephone operating practices may be used for leased or other lines connecting to a police or central station as defined by Article 800 of the National Electrical Code@ NFPA 70.