UL 1876-2015
用于电子设备的安全隔离信号和反馈变压器的 UL 标准（第四版；2015年9月16日（含）的修订重印）
UL Standard for Safety Isolating Signal and Feedback Transformers for Use in Electronic Equipment (Fourth Edition; Reprint with Revisions Through and Including September 16, 2015)
2015-07
