General These requirements cover construction@ performance@ operation@ and maintenance of: a) Central station burglar alarm systems intended and specifically designated for burglaryprotection use at mercantile and banking premises@ mercantile safes and vaults@ and bank safes and vaults; b) Police station connected burglar alarm units and systems for use in mercantile premises@ mercantile safes and vaults@ and bank safes and vaults; c) Local burglar alarm units and systems for use in mercantile premises@ mercantile safes and vaults@ and bank safes and vaults; d) Proprietary burglar alarm units and systems; e) Holdup alarm systems of the remote-station type intended for installation in banks@ stores@ cashiers?? cages@ pay offices@ and the like. f) Digital alarm communicator system units@ interconnected to or integral@ for use with central station burglar alarm systems@ proprietary burglar alarm systems@ police station-connected burglar alarm systems@ and holdup alarm systems. g) Power supplies used to provide electrical power and standby power for burglar-alarm equipment in accordance with the following: 1) The requirements of this standard; 2) The Standard for Access Control System Units@ UL 294; 3) The Standard for Intrusion-Detection Units@ UL 639; 4) The Standard for Household Burglar-Alarm System Units@ UL 1023; 5) The Standard for Burglary-Resistant Electric Locking Mechanisms@ UL 1034; and 6) The Standard for Antitheft Alarms and Devices@ UL 1037