UL 1459-1995《电话设备》

Covers telecommunications (telephone) equipment such as telephone answering devices, residential telephone instruments, telephone dialers, cordless phones, key systems, and private branch exchange equipment, intended to be electrically connected to a telecommunication network that has an operating voltage to ground that does not exceed 200 V peak, 300 V peak-to-peak, and 150 V rms and installed or used in accordance with the American National Standard National Electrical Code , ANSI/NFPA 70. Special installation methods are required for equipment connected to wire-line communication facilities serving high-voltage electric power stations operating at greater than 1 kilovolt.